Don't require test wrappers to preserve environment variables, use more consistent environment
diff mbox

Message ID Pine.LNX.4.64.1406062040490.11163@digraph.polyomino.org.uk
State New
Headers show

Commit Message

Joseph Myers June 6, 2014, 8:41 p.m. UTC
(This is a revised version of
<https://sourceware.org/ml/libc-alpha/2014-05/msg00596.html>.  This
version puts the common environment variables used by tests in a
variable run-program-env.  Various makefile variables are then defined
in terms of that variable and the corresponding -before-env and
-after-env variables, as suggested in
<https://sourceware.org/ml/libc-alpha/2014-05/msg00715.html>; by
including the common environment in variables such as
test-program-prefix, various scripts no longer need to be passed
separate variables but can continue to be passed just one variable as
they are at present.  Environment variable settings duplicating the
defaults are cleaned up, and settings on the build system are removed
in the absence of an identified reason they need to remain.  A
--timeoutfactor option is added to cross-test-ssh.sh.)

One wart in the original support for test wrappers for cross testing,
as noted in
<https://sourceware.org/ml/libc-alpha/2012-10/msg00722.html>, is the
requirement for test wrappers to pass a poorly-defined set of
environment variables from the build system to the system running the
glibc under test.  Although some variables are passed explicitly via
$(test-wrapper-env), including LD_* variables that simply can't be
passed implicitly because of the side effects they'd have on the build
system's dynamic linker, others are passed implicitly, including
variables such as GCONV_PATH and LOCPATH that could potentially affect
the build system's libc (so effectively relying on any such effects
not breaking the wrappers).  In addition, the code in
cross-test-ssh.sh for preserving environment variables is fragile (it
depends on how bash formats a list of exported variables, and could
well break for multi-line variable definitions where the contents
contain things looking like other variable definitions).

This patch moves to explicitly passing environment variables via
$(test-wrapper-env).  Makefile variables that previously used
$(test-wrapper) are split up into -before-env and -after-env parts
that can be passed separately to the various .sh files used in
testing, so those files can then insert environment settings between
the two parts.

The common default environment settings in make-test-out are made into
a separate makefile variable that can also be passed to scripts,
rather than many scripts duplicating those settings (for testing an
installed glibc, it is desirable to have the GCONV_PATH setting on
just one place, so just that one place needs to support it pointing to
an installed sysroot instead of the build tree).  The default settings
are included in the variables such as $(test-program-prefix), so that
if tests do not need any non-default settings they can continue to use
single variables rather than the split-up variables.

Although this patch cleans up LC_ALL=C settings (that being part of
the common defaults), various LANG=C and LANGUAGE=C settings remain.
Those are generally unnecessary and I propose a subsequent cleanup to
remove them.  LC_ALL takes precedence over LANG, and while LANGUAGE
takes precedence over LC_ALL, it only does so for settings other than
LC_ALL=C.  So LC_ALL=C on its own is sufficient to ensure the C
locale, and anything that gets LC_ALL=C does not need the other
settings.

While preparing this patch I noticed some tests with .sh files that
appeared to do nothing beyond what the generic makefile support for
tests can do (localedata/tst-wctype.sh - the makefiles support -ENV
variables and .input files - and localedata/tst-mbswcs.sh - just runs
five tests that could be run individually from the makefile).  So I
propose another subsequent cleanup to move those to using the generic
support instead of special .sh files.

Tested x86_64 (native) and powerpc32 (cross).

2014-06-06  Joseph Myers  <joseph@codesourcery.com>

	* Makeconfig (run-program-env): New variable.
	(run-program-prefix-before-env): Likewise.
	(run-program-prefix-after-env): Likewise.
	(run-program-prefix): Define in terms of new variables.
	(built-program-cmd-before-env): New variable.
	(built-program-cmd-after-env): Likewise.
	(built-program-cmd): Define in terms of new variables.
	(test-program-prefix-before-env): New variable.
	(test-program-prefix-after-env): Likewise.
	(test-program-prefix): Define in terms of new variables.
	(test-program-cmd-before-env): New variable.
	(test-program-cmd-after-env): Likewise.
	(test-program-cmd): Define in terms of new variables.
	* Rules (make-test-out): Use $(run-program-env).
	* scripts/cross-test-ssh.sh (env_blacklist): Remove variable.
	(help): Do not mention environment variables.  Mention
	--timeoutfactor option.
	(timeoutfactor): New variable.
	(blacklist_exports): Remove function.
	(exports): Remove variable.
	(command): Do not include ${exports}.
	* manual/install.texi (Configuring and compiling): Do not mention
	test wrappers preserving environment variables.  Mention that last
	assignment to a variable must take precedence.
	* INSTALL: Regenerated.
	* benchtests/Makefile (run-bench): Use $(run-program-env).
	* catgets/Makefile ($(objpfx)test1.cat): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).
	($(objpfx)test2.cat): Do not specify environment variables
	explicitly.
	($(objpfx)de/libc.cat): Use $(built-program-cmd-before-env),
	$(run-program-env) and $(built-program-cmd-after-env).
	($(objpfx)test-gencat.out): Use $(test-program-cmd-before-env),
	$(run-program-env) and $(test-program-cmd-after-env).
	($(objpfx)sample.SJIS.cat): Do not specify environment variables
	explicitly.
	* catgets/test-gencat.sh: Use test_program_cmd_before_env,
	run_program_env and test_program_cmd_after_env arguments.
	* elf/Makefile ($(objpfx)tst-pathopt.out): Use $(run-program-env).
	* elf/tst-pathopt.sh: Use run_program_env argument.
	* iconvdata/Makefile ($(objpfx)iconv-test.out): Use
	$(test-wrapper-env) and $(run-program-env).
	* iconvdata/run-iconv-test.sh: Use test_wrapper_env and
	run_program_env arguments.
	* iconvdata/tst-table.sh: Do not set GCONV_PATH explicitly.
	* intl/Makefile ($(objpfx)tst-gettext.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	($(objpfx)tst-gettext2.out): Likewise.
	* intl/tst-gettext.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* intl/tst-gettext2.sh: Likewise.
	* intl/tst-gettext4.sh: Do not set environment variables
	explicitly.
	* intl/tst-gettext6.sh: Likewise.
	* intl/tst-translit.sh: Likewise.
	* malloc/Makefile ($(objpfx)tst-mtrace.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* malloc/tst-mtrace.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* math/Makefile (run-regen-ulps): Use $(run-program-env).
	* nptl/Makefile ($(objpfx)tst-tls6.out): Use $(run-program-env).
	* nptl/tst-tls6.sh: Use run_program_env argument.  Set LANG=C
	explicitly with each use of ${test_wrapper_env}.
	* posix/Makefile ($(objpfx)wordexp-tst.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* posix/tst-getconf.sh: Do not set environment variables
	explicitly.
	* posix/wordexp-tst.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* stdio-common/tst-printf.sh: Do not set environment variables
	explicitly.
	* stdlib/Makefile ($(objpfx)tst-fmtmsg.out): Use
	$(test-program-prefix-before-env), $(run-program-env) and
	$(test-program-prefix-after-env).
	* stdlib/tst-fmtmsg.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	Split $test calls into $test_pre and $test.
	* timezone/Makefile (build-testdata): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).

localedata/ChangeLog:
2014-06-06  Joseph Myers  <joseph@codesourcery.com>

	* Makefile ($(addprefix $(objpfx),$(CTYPE_FILES))): Use
	$(built-program-cmd-before-env), $(run-program-env) and
	$(built-program-cmd-after-env).
	($(objpfx)sort-test.out): Use $(test-program-prefix-before-env),
	$(run-program-env) and $(test-program-prefix-after-env).
	($(objpfx)tst-fmon.out): Use $(run-program-prefix-before-env),
	$(run-program-env) and $(run-program-prefix-after-env).
	($(objpfx)tst-locale.out): Use $(built-program-cmd-before-env),
	$(run-program-env) and $(built-program-cmd-after-env).
	($(objpfx)tst-trans.out): Use $(run-program-prefix-before-env),
	$(run-program-env), $(run-program-prefix-after-env),
	$(test-program-prefix-before-env) and
	$(test-program-prefix-after-env).
	($(objpfx)tst-ctype.out): Use $(test-program-cmd-before-env),
	$(run-program-env) and $(test-program-cmd-after-env).
	($(objpfx)tst-wctype.out): Likewise.
	($(objpfx)tst-langinfo.out): Likewise.
	($(objpfx)tst-langinfo-static.out): Likewise.
	* gen-locale.sh: Use localedef_before_env, run_program_env and
	localedef_after_env arguments.
	* sort-test.sh: Use test_program_prefix_before_env,
	run_program_env and test_program_prefix_after_env arguments.
	* tst-ctype.sh: Use tst_ctype_before_env, run_program_env and
	tst_ctype_after_env arguments.
	* tst-fmon.sh: Use run_program_prefix_before_env, run_program_env
	and run_program_prefix_after_env arguments.
	* tst-langinfo.sh: Use tst_langinfo_before_env, run_program_env
	and tst_langinfo_after_env arguments.
	* tst-locale.sh: Use localedef_before_env, run_program_env and
	localedef_after_env arguments.
	* tst-mbswcs.sh: Do not set environment variables explicitly.
	* tst-numeric.sh: Likewise.
	* tst-rpmatch.sh: Likewise.
	* tst-trans.sh: Use run_program_prefix_before_env,
	run_program_env, run_program_prefix_after_env,
	test_program_prefix_before_env and test_program_prefix_after_env
	arguments.
	* tst-wctype.sh: Use tst_wctype_before_env, run_program_env and
	tst_wctype_after_env arguments.

Comments

Roland McGrath June 6, 2014, 9:58 p.m. UTC | #1
I only looked at the Makeconfig bits and didn't try to vet everything.  But
I'm happy enough with it now and any further cleanups can be incremental on
top of this.


Thanks,
Roland

Patch
diff mbox

diff --git a/INSTALL b/INSTALL
index f49fad4..63630b8 100644
--- a/INSTALL
+++ b/INSTALL
@@ -241,13 +241,14 @@  be visible at the same locations on both the build system and HOSTNAME.
    In general, when testing the GNU C Library, `test-wrapper' may be set
 to the name and arguments of any program to run newly built binaries.
 This program must preserve the arguments to the binary being run, its
-working directory, all environment variables set as part of testing and
-the standard input, output and error file descriptors.  If
-`TEST-WRAPPER env' will not work to run a program with environment
-variables set, then `test-wrapper-env' must be set to a program that
-runs a newly built program with environment variable assignments in
-effect, those assignments being specified as `VAR=VALUE' before the
-name of the program to be run.
+working directory and the standard input, output and error file
+descriptors.  If `TEST-WRAPPER env' will not work to run a program with
+environment variables set, then `test-wrapper-env' must be set to a
+program that runs a newly built program with environment variable
+assignments in effect, those assignments being specified as `VAR=VALUE'
+before the name of the program to be run.  If multiple assignments to
+the same variable are specified, the last assignment specified must
+take precedence.
 
 Installing the C Library
 ========================
diff --git a/Makeconfig b/Makeconfig
index 736190b..e07823f 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -628,17 +628,30 @@  run-via-rtld-prefix =							      \
 else
 run-via-rtld-prefix =
 endif
+# $(run-program-env) is the default environment variable settings to
+# use when running a program built with the newly built library.
+run-program-env = GCONV_PATH=$(common-objpfx)iconvdata \
+		  LOCPATH=$(common-objpfx)localedata LC_ALL=C
 # $(run-program-prefix) is a command that, when prepended to the name
 # of a program built with the newly built library, produces a command
 # that, executed on the build system on which "make" is run, runs that
-# program.
-run-program-prefix = $(test-wrapper) $(run-via-rtld-prefix)
+# program.  $(run-program-prefix-before-env) and
+# $(run-program-prefix-after-env) are similar, but separate parts
+# before and after a list of environment variables.
+run-program-prefix-before-env = $(test-wrapper-env)
+run-program-prefix-after-env = $(run-via-rtld-prefix)
+run-program-prefix = $(run-program-prefix-before-env) $(run-program-env) \
+		     $(run-program-prefix-after-env)
 # $(built-program-cmd) is a command that, executed on the build system
 # on which "make" is run, runs the newly built program that is the
 # second dependency of the makefile target in which
-# $(built-program-cmd) is used.
-built-program-cmd = $(test-wrapper) \
-		    $(run-via-rtld-prefix) $(built-program-file)
+# $(built-program-cmd) is used.  $(built-program-cmd-before-env) and
+# $(built-program-cmd-after-env) are similar, before and after a list
+# of environment variables.
+built-program-cmd-before-env = $(test-wrapper-env)
+built-program-cmd-after-env = $(run-via-rtld-prefix) $(built-program-file)
+built-program-cmd = $(built-program-cmd-before-env) $(run-program-env) \
+		    $(built-program-cmd-after-env)
 # $(host-built-program-cmd) is a command that, executed on the host
 # for which the library is built, runs the newly built program that is
 # the second dependency of the makefile target in which
@@ -659,12 +672,16 @@  endif
 # $(test-program-prefix) is a command that, when prepended to the name
 # of a test program built with the newly built library, produces a command
 # that, executed on the build system on which "make" is run, runs that
-# test program.
+# test program.  $(test-program-prefix-before-env) and
+# $(test-program-prefix-after-env) are similar, before and after a
+# list of environment variables.
 
 # $(test-program-cmd) is a command that, executed on the build system
 # on which "make" is run, runs the newly built test program that is the
 # second dependency of the makefile target in which
-# $(test-program-cmd) is used.
+# $(test-program-cmd) is used.  $(test-program-cmd-before-env) and
+# $(test-program-cmd-after-env) are similar, before and after a list
+# of environment variables.
 
 # $(host-test-program-cmd) is a command that, executed on the host
 # for which the library is built, runs the newly built test program that
@@ -673,12 +690,22 @@  endif
 
 ifeq (yes,$(build-hardcoded-path-in-tests))
 test-via-rtld-prefix =
-test-program-prefix = $(test-wrapper)
-test-program-cmd = $(test-wrapper) $(built-program-file)
+test-program-prefix-before-env = $(test-wrapper-env)
+test-program-prefix-after-env =
+test-program-prefix = $(test-program-prefix-before-env) $(run-program-env) \
+		      $(test-program-prefix-after-env)
+test-program-cmd-before-env = $(test-wrapper-env)
+test-program-cmd-after-env = $(built-program-file)
+test-program-cmd = $(test-program-cmd-before-env) $(run-program-env) \
+		   $(test-program-cmd-after-env)
 host-test-program-cmd = $(built-program-file)
 else
 test-via-rtld-prefix = $(run-via-rtld-prefix)
+test-program-prefix-before-env = $(run-program-prefix-before-env)
+test-program-prefix-after-env = $(run-program-prefix-after-env)
 test-program-prefix = $(run-program-prefix)
+test-program-cmd-before-env = $(built-program-cmd-before-env)
+test-program-cmd-after-env = $(built-program-cmd-after-env)
 test-program-cmd = $(built-program-cmd)
 host-test-program-cmd = $(host-built-program-cmd)
 endif
diff --git a/Rules b/Rules
index 9f1a445..4f9cdf3 100644
--- a/Rules
+++ b/Rules
@@ -191,8 +191,7 @@  ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
 # from the test programs and whatever input files are present.
 
 make-test-out = $(test-wrapper-env) \
-		GCONV_PATH=$(common-objpfx)iconvdata \
-		LOCPATH=$(common-objpfx)localedata LC_ALL=C \
+		$(run-program-env) \
 		$($*-ENV) $(host-test-program-cmd) $($*-ARGS)
 $(objpfx)%.out: %.input $(objpfx)%
 	$(make-test-out) > $@ < $(word 1,$^); \
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 63a5a7f..fbcee13 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -91,7 +91,7 @@  extra-objs += json-lib.o
 bench-deps := bench-skeleton.c bench-timing.h Makefile
 
 run-bench = $(test-wrapper-env) \
-	    GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
+	    $(run-program-env) \
 	    $($*-ENV) $(rtld-prefix) $${run}
 
 timing-type := $(objpfx)bench-timing-type
diff --git a/catgets/Makefile b/catgets/Makefile
index ed06508..50d972e 100644
--- a/catgets/Makefile
+++ b/catgets/Makefile
@@ -61,19 +61,18 @@  ifeq ($(run-built-tests),yes)
 # This test just checks whether the program produces any error or not.
 # The result is not tested.
 $(objpfx)test1.cat: test1.msg $(objpfx)gencat
-	LC_ALL=hr_HR.ISO-8859-2 LOCPATH=$(common-objpfx)localedata \
-	GCONV_PATH=$(common-objpfx)iconvdata \
-	$(built-program-cmd) -H $(objpfx)test1.h $@ $<; \
+	$(built-program-cmd-before-env) \
+	$(run-program-env) LC_ALL=hr_HR.ISO-8859-2 \
+	$(built-program-cmd-after-env) -H $(objpfx)test1.h $@ $<; \
 	$(evaluate-test)
 $(objpfx)test2.cat: test2.msg $(objpfx)gencat
-	LOCPATH=$(common-objpfx)localedata \
-	GCONV_PATH=$(common-objpfx)iconvdata \
 	$(built-program-cmd) -H $(objpfx)test2.h $@ $<; \
 	$(evaluate-test)
 $(objpfx)de/libc.cat: $(objpfx)de.msg $(objpfx)gencat
 	$(make-target-directory)
-	LC_ALL=de_DE.ISO-8859-1 LOCPATH=$(common-objpfx)localedata \
-	GCONV_PATH=$(common-objpfx)iconvdata $(built-program-cmd) $@ $<; \
+	$(built-program-cmd-before-env) \
+	$(run-program-env) LC_ALL=de_DE.ISO-8859-1 \
+	$(built-program-cmd-after-env) $@ $<; \
 	$(evaluate-test)
 $(objpfx)tst-catgets.out: $(objpfx)de/libc.cat
 
@@ -83,11 +82,11 @@  $(objpfx)de.msg: xopen-msg.awk $(..)po/de.po
 
 $(objpfx)test-gencat.out: test-gencat.sh $(objpfx)test-gencat \
 			  $(objpfx)sample.SJIS.cat
-	$(SHELL) $< $(common-objpfx) '$(test-program-cmd)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(test-program-cmd-after-env)'; \
 	$(evaluate-test)
 
 $(objpfx)sample.SJIS.cat: sample.SJIS $(objpfx)gencat
-	GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
 	$(built-program-cmd) -H $(objpfx)test-gencat.h < $(word 1,$^) > $@; \
 	$(evaluate-test)
 endif
diff --git a/catgets/test-gencat.sh b/catgets/test-gencat.sh
index 08e47af..98ef7da 100755
--- a/catgets/test-gencat.sh
+++ b/catgets/test-gencat.sh
@@ -20,12 +20,15 @@ 
 set -e
 
 common_objpfx=$1
-test_program_cmd=$2
+test_program_cmd_before_env=$2
+run_program_env=$3
+test_program_cmd_after_env=$4
 
 # Run the test program.
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-NLSPATH=${common_objpfx}catgets/%N.%c.cat LC_ALL=ja_JP.SJIS \
-  ${test_program_cmd} \
+${test_program_cmd_before_env} \
+  ${run_program_env} \
+  NLSPATH=${common_objpfx}catgets/%N.%c.cat LC_ALL=ja_JP.SJIS \
+  ${test_program_cmd_after_env} \
     > ${common_objpfx}catgets/test-gencat.out
 
 # Compare with the expected result.
diff --git a/elf/Makefile b/elf/Makefile
index 4dcc78a..eb16c59 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -711,7 +711,8 @@  $(objpfx)lateglobal.out: $(objpfx)ltglobmod1.so $(objpfx)ltglobmod2.so
 $(objpfx)tst-pathopt: $(libdl)
 $(objpfx)tst-pathopt.out: tst-pathopt.sh $(objpfx)tst-pathopt \
 			  $(objpfx)pathoptobj.so
-	$(SHELL) $< $(common-objpfx) '$(test-wrapper-env)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-wrapper-env)' \
+		 '$(run-program-env)'; \
 	$(evaluate-test)
 
 $(objpfx)tst-rtld-load-self.out: tst-rtld-load-self.sh $(objpfx)ld.so
diff --git a/elf/tst-pathopt.sh b/elf/tst-pathopt.sh
index 9677cf0..24f55c0 100755
--- a/elf/tst-pathopt.sh
+++ b/elf/tst-pathopt.sh
@@ -21,6 +21,7 @@  set -e
 
 common_objpfx=$1
 test_wrapper_env=$2
+run_program_env=$3
 
 test -e ${common_objpfx}elf/will-be-empty &&
   rm -fr ${common_objpfx}elf/will-be-empty
@@ -30,8 +31,8 @@  test -d ${common_objpfx}elf/for-renamed ||
 cp ${common_objpfx}elf/pathoptobj.so ${common_objpfx}elf/for-renamed/renamed.so
 
 ${test_wrapper_env} \
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-LC_ALL=C LD_LIBRARY_PATH=${common_objpfx}elf/will-be-empty:${common_objpfx}elf/for-renamed:${common_objpfx}.:${common_objpfx}dlfcn \
+${run_program_env} \
+LD_LIBRARY_PATH=${common_objpfx}elf/will-be-empty:${common_objpfx}elf/for-renamed:${common_objpfx}.:${common_objpfx}dlfcn \
   ${common_objpfx}elf/ld.so ${common_objpfx}elf/tst-pathopt \
     > ${common_objpfx}elf/tst-pathopt.out
 
diff --git a/iconvdata/Makefile b/iconvdata/Makefile
index d98b6bd..8fb746e 100644
--- a/iconvdata/Makefile
+++ b/iconvdata/Makefile
@@ -297,7 +297,8 @@  $(objpfx)tst-iconv7.out: $(objpfx)gconv-modules \
 $(objpfx)iconv-test.out: run-iconv-test.sh $(objpfx)gconv-modules \
 			 $(addprefix $(objpfx),$(modules.so)) \
 			 $(common-objdir)/iconv/iconv_prog TESTS
-	$(SHELL) $< $(common-objdir) '$(test-wrapper)' > $@; \
+	$(SHELL) $< $(common-objdir) '$(test-wrapper-env)' \
+		 '$(run-program-env)' > $@; \
 	$(evaluate-test)
 
 $(objpfx)tst-tables.out: tst-tables.sh $(objpfx)gconv-modules \
diff --git a/iconvdata/run-iconv-test.sh b/iconvdata/run-iconv-test.sh
index e23f60d..c98c929 100755
--- a/iconvdata/run-iconv-test.sh
+++ b/iconvdata/run-iconv-test.sh
@@ -21,7 +21,8 @@ 
 set -e
 
 codir=$1
-test_wrapper="$2"
+test_wrapper_env="$2"
+run_program_env="$3"
 
 # We use always the same temporary file.
 temp1=$codir/iconvdata/iconv-test.xxx
@@ -29,18 +30,13 @@  temp2=$codir/iconvdata/iconv-test.yyy
 
 trap "rm -f $temp1 $temp2" 1 2 3 15
 
-# We must tell the iconv(1) program where the modules we want to use can
-# be found.
-GCONV_PATH=$codir/iconvdata
-export GCONV_PATH
-
 # We have to have some directories in the library path.
 LIBPATH=$codir:$codir/iconvdata
 
 # How the start the iconv(1) program.
 ICONV='$codir/elf/ld.so --library-path $LIBPATH --inhibit-rpath ${from}.so \
        $codir/iconv/iconv_prog'
-ICONV="$test_wrapper $ICONV"
+ICONV="$test_wrapper_env $run_program_env $ICONV"
 
 # Which echo?
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
diff --git a/iconvdata/tst-table.sh b/iconvdata/tst-table.sh
index c68a3b9..838f332 100755
--- a/iconvdata/tst-table.sh
+++ b/iconvdata/tst-table.sh
@@ -27,8 +27,7 @@  test_program_prefix=$3
 charset=$4
 charmap=$5
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
+# sort is used on the build system.
 LC_ALL=C
 export LC_ALL
 
diff --git a/intl/Makefile b/intl/Makefile
index 10051f6..a046431 100644
--- a/intl/Makefile
+++ b/intl/Makefile
@@ -81,7 +81,8 @@  $(objpfx)mtrace-tst-gettext.out: $(objpfx)tst-gettext.out
 	$(common-objpfx)malloc/mtrace $(objpfx)tst-gettext.mtrace > $@; \
 	$(evaluate-test)
 $(objpfx)tst-gettext.out: tst-gettext.sh $(objpfx)tst-gettext
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)' \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+	  '$(run-program-env)' '$(test-program-prefix-after-env)' \
 	  $(common-objpfx)intl/ $(objpfx)tst-gettext.mtrace; \
 	$(evaluate-test)
 $(objpfx)tst-translit.out: tst-translit.sh $(objpfx)tst-translit
@@ -89,7 +90,8 @@  $(objpfx)tst-translit.out: tst-translit.sh $(objpfx)tst-translit
 	  $(common-objpfx)intl/; \
 	$(evaluate-test)
 $(objpfx)tst-gettext2.out: tst-gettext2.sh $(objpfx)tst-gettext2
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)' \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+	  '$(run-program-env)' '$(test-program-prefix-after-env)' \
 	  $(common-objpfx)intl/; \
 	$(evaluate-test)
 $(objpfx)tst-gettext4.out: tst-gettext4.sh $(objpfx)tst-gettext4
diff --git a/intl/tst-gettext.sh b/intl/tst-gettext.sh
index 0483e2b..129ce65 100755
--- a/intl/tst-gettext.sh
+++ b/intl/tst-gettext.sh
@@ -20,12 +20,11 @@ 
 set -e
 
 common_objpfx=$1
-test_program_prefix=$2
-objpfx=$3
-malloc_trace=$4
-
-LC_ALL=C
-export LC_ALL
+test_program_prefix_before_env=$2
+run_program_env=$3
+test_program_prefix_after_env=$4
+objpfx=$5
+malloc_trace=$6
 
 # Generate the test data.
 
@@ -47,14 +46,12 @@  msgfmt -o ${objpfx}domaindir/existing-locale/LC_MESSAGES/existing-domain.mo \
 msgfmt -o ${objpfx}domaindir/existing-locale/LC_TIME/existing-time-domain.mo \
        -f ../po/de.po
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
-LOCPATH=${common_objpfx}localedata
-export LOCPATH
-
 # Now run the test.
-MALLOC_TRACE=$malloc_trace LOCPATH=${objpfx}localedir:$LOCPATH \
-${test_program_prefix} \
+${test_program_prefix_before_env} \
+${run_program_env} \
+MALLOC_TRACE=$malloc_trace \
+LOCPATH=${objpfx}localedir:${common_objpfx}localedata \
+${test_program_prefix_after_env} \
 ${objpfx}tst-gettext > ${objpfx}tst-gettext.out ${objpfx}domaindir
 
 exit $?
diff --git a/intl/tst-gettext2.sh b/intl/tst-gettext2.sh
index 44821d2..b4d203d 100644
--- a/intl/tst-gettext2.sh
+++ b/intl/tst-gettext2.sh
@@ -20,11 +20,10 @@ 
 set -e
 
 common_objpfx=$1
-test_program_prefix=$2
-objpfx=$3
-
-LC_ALL=C
-export LC_ALL
+test_program_prefix_before_env=$2
+run_program_env=$3
+test_program_prefix_after_env=$4
+objpfx=$5
 
 # Generate the test data.
 mkdir -p ${objpfx}domaindir
@@ -61,13 +60,11 @@  msgfmt -o ${objpfx}domaindir/lang1/LC_MESSAGES/tstlang.mo \
 msgfmt -o ${objpfx}domaindir/lang2/LC_MESSAGES/tstlang.mo \
        tstlang2.po
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
-LOCPATH=${objpfx}domaindir
-export LOCPATH
-
 # Now run the test.
-${test_program_prefix} \
+${test_program_prefix_before_env} \
+${run_program_env} \
+LOCPATH=${objpfx}domaindir \
+${test_program_prefix_after_env} \
 ${objpfx}tst-gettext2 > ${objpfx}tst-gettext2.out ${objpfx}domaindir &&
 cmp ${objpfx}tst-gettext2.out - <<EOF
 String1 - Lang1: 1st string
diff --git a/intl/tst-gettext4.sh b/intl/tst-gettext4.sh
index fc975df..4039faf 100755
--- a/intl/tst-gettext4.sh
+++ b/intl/tst-gettext4.sh
@@ -24,9 +24,6 @@  common_objpfx=$1
 test_program_prefix=$2
 objpfx=$3
 
-LC_ALL=C
-export LC_ALL
-
 # Create the domain directories.
 mkdir -p ${objpfx}domaindir/de_DE/LC_MESSAGES
 mkdir -p ${objpfx}domaindir/fr_FR/LC_MESSAGES
@@ -34,11 +31,6 @@  mkdir -p ${objpfx}domaindir/fr_FR/LC_MESSAGES
 msgfmt -o ${objpfx}domaindir/de_DE/LC_MESSAGES/multithread.mo tst-gettext4-de.po
 msgfmt -o ${objpfx}domaindir/fr_FR/LC_MESSAGES/multithread.mo tst-gettext4-fr.po
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
-LOCPATH=${common_objpfx}localedata
-export LOCPATH
-
 ${test_program_prefix} ${objpfx}tst-gettext4 > ${objpfx}tst-gettext4.out
 
 exit $?
diff --git a/intl/tst-gettext6.sh b/intl/tst-gettext6.sh
index 70cbcbe..be95ffc 100644
--- a/intl/tst-gettext6.sh
+++ b/intl/tst-gettext6.sh
@@ -23,19 +23,11 @@  common_objpfx=$1
 test_program_prefix=$2
 objpfx=$3
 
-LC_ALL=C
-export LC_ALL
-
 # Create the domain directory.
 mkdir -p ${objpfx}domaindir/ja_JP/LC_MESSAGES
 # Populate it.
 msgfmt -o ${objpfx}domaindir/ja_JP/LC_MESSAGES/tstgettext6.mo ../po/ja.po
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
-LOCPATH=${common_objpfx}localedata
-export LOCPATH
-
 ${test_program_prefix} ${objpfx}tst-gettext6 > ${objpfx}tst-gettext6.out
 
 exit $?
diff --git a/intl/tst-translit.sh b/intl/tst-translit.sh
index 4803340..3408b1a 100755
--- a/intl/tst-translit.sh
+++ b/intl/tst-translit.sh
@@ -23,20 +23,12 @@  common_objpfx=$1
 test_program_prefix=$2
 objpfx=$3
 
-LC_ALL=C
-export LC_ALL
-
 # Create the locale directories.
 mkdir -p ${objpfx}localedir/existing-locale/LC_MESSAGES
 
 msgfmt -o ${objpfx}domaindir/existing-locale/LC_MESSAGES/translit.mo \
        translit.po
 
-GCONV_PATH=${common_objpfx}iconvdata
-export GCONV_PATH
-LOCPATH=${common_objpfx}localedata
-export LOCPATH
-
 ${test_program_prefix} \
 ${objpfx}tst-translit > ${objpfx}tst-translit.out ${objpfx}domaindir
 
diff --git a/localedata/Makefile b/localedata/Makefile
index 20da00c..6dc2524 100644
--- a/localedata/Makefile
+++ b/localedata/Makefile
@@ -143,7 +143,9 @@  generated-dirs += $(LOCALES)
 $(addprefix $(objpfx),$(CTYPE_FILES)): %: \
   gen-locale.sh $(common-objpfx)locale/localedef Makefile \
   $(addprefix charmaps/,$(CHARMAPS)) $(addprefix locales/,$(LOCALE_SRCS))
-	@$(SHELL) gen-locale.sh $(common-objpfx) '$(built-program-cmd)' $@; \
+	@$(SHELL) gen-locale.sh $(common-objpfx) \
+		  '$(built-program-cmd-before-env)' '$(run-program-env)' \
+		  '$(built-program-cmd-after-env)' $@; \
 	$(evaluate-test)
 
 $(addsuffix .out,$(addprefix $(objpfx),$(tests))): %: \
@@ -151,14 +153,17 @@  $(addsuffix .out,$(addprefix $(objpfx),$(tests))): %: \
 
 $(objpfx)sort-test.out: sort-test.sh $(objpfx)collate-test $(objpfx)xfrm-test \
 		       $(test-input-data) $(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)' $(test-input) \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+	  '$(run-program-env)' '$(test-program-prefix-after-env)' \
+	  $(test-input) \
 	  > $@; \
 	$(evaluate-test)
 $(objpfx)tst-fmon.out: tst-fmon.sh $(objpfx)tst-fmon tst-fmon.data \
 		       $(objpfx)sort-test.out \
 		       $(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(run-program-prefix)' \
-		'$(test-program-prefix)' tst-fmon.data  \
+	$(SHELL) $< $(common-objpfx) '$(run-program-prefix-before-env)' \
+		 '$(run-program-env)' '$(run-program-prefix-after-env)' \
+		 '$(test-program-prefix)' tst-fmon.data \
 	  > $@; \
 	$(evaluate-test)
 $(objpfx)tst-numeric.out: tst-numeric.sh $(objpfx)tst-numeric tst-numeric.data \
@@ -169,7 +174,8 @@  $(objpfx)tst-numeric.out: tst-numeric.sh $(objpfx)tst-numeric tst-numeric.data \
 	$(evaluate-test)
 $(objpfx)tst-locale.out: tst-locale.sh $(common-objpfx)locale/localedef \
 			 $(ld-test-srcs) $(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(built-program-cmd)' > $@; \
+	$(SHELL) $< $(common-objpfx) '$(built-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(built-program-cmd-after-env)' > $@; \
 	$(evaluate-test)
 $(objpfx)tst-rpmatch.out: tst-rpmatch.sh $(objpfx)tst-rpmatch \
 			  $(objpfx)tst-fmon.out \
@@ -178,7 +184,10 @@  $(objpfx)tst-rpmatch.out: tst-rpmatch.sh $(objpfx)tst-rpmatch \
 	$(evaluate-test)
 $(objpfx)tst-trans.out: tst-trans.sh $(objpfx)tst-trans \
 			$(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(run-program-prefix)' '$(test-program-prefix)'; \
+	$(SHELL) $< $(common-objpfx) '$(run-program-prefix-before-env)' \
+		 '$(run-program-env)' '$(run-program-prefix-after-env)' \
+		 '$(test-program-prefix-before-env)' \
+		 '$(test-program-prefix-after-env)'; \
 	$(evaluate-test)
 $(objpfx)tst-mbswcs.out: tst-mbswcs.sh $(objpfx)tst-mbswcs1 \
 			 $(objpfx)tst-mbswcs2 $(objpfx)tst-mbswcs3 \
@@ -189,22 +198,26 @@  $(objpfx)tst-mbswcs.out: tst-mbswcs.sh $(objpfx)tst-mbswcs1 \
 $(objpfx)tst-ctype.out: tst-ctype.sh $(objpfx)tst-ctype \
 			$(objpfx)sort-test.out \
 			$(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(test-program-cmd)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(test-program-cmd-after-env)'; \
 	$(evaluate-test)
 $(objpfx)tst-wctype.out: tst-wctype.sh $(objpfx)tst-wctype \
 			$(objpfx)sort-test.out tst-wctype.input \
 			$(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(test-program-cmd)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(test-program-cmd-after-env)'; \
 	$(evaluate-test)
 $(objpfx)tst-langinfo.out: tst-langinfo.sh $(objpfx)tst-langinfo \
 			$(objpfx)sort-test.out \
 			$(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(test-program-cmd)' > $@; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(test-program-cmd-after-env)' > $@; \
 	$(evaluate-test)
 $(objpfx)tst-langinfo-static.out: tst-langinfo.sh $(objpfx)tst-langinfo-static \
 			$(objpfx)sort-test.out \
 			$(addprefix $(objpfx),$(CTYPE_FILES))
-	$(SHELL) $< $(common-objpfx) '$(test-program-cmd)' > $@; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-cmd-before-env)' \
+		 '$(run-program-env)' '$(test-program-cmd-after-env)' > $@; \
 	$(evaluate-test)
 $(objpfx)tst-digits.out: $(objpfx)tst-locale.out
 $(objpfx)tst-mbswcs6.out: $(addprefix $(objpfx),$(CTYPE_FILES))
diff --git a/localedata/gen-locale.sh b/localedata/gen-locale.sh
index d2fde61..151634b 100644
--- a/localedata/gen-locale.sh
+++ b/localedata/gen-locale.sh
@@ -20,7 +20,9 @@ 
 set -e
 
 common_objpfx="$1"; shift
-localedef="$1"; shift
+localedef_before_env="$1"; shift
+run_program_env="$1"; shift
+localedef_after_env="$1"; shift
 locfile="$1"; shift
 
 generate_locale ()
@@ -28,9 +30,9 @@  generate_locale ()
   charmap=$1
   input=$2
   out=$3
-  if I18NPATH=. GCONV_PATH=${common_objpfx}iconvdata \
-     ${localedef} --quiet -c -f $charmap -i $input \
-		  ${common_objpfx}localedata/$out
+  if ${localedef_before_env} ${run_program_env} I18NPATH=. \
+     ${localedef_after_env} --quiet -c -f $charmap -i $input \
+			    ${common_objpfx}localedata/$out
   then
     # The makefile checks the timestamp of the LC_CTYPE file,
     # but localedef won't have touched it if it was able to
diff --git a/localedata/sort-test.sh b/localedata/sort-test.sh
index 8a7ca89..e37129a 100644
--- a/localedata/sort-test.sh
+++ b/localedata/sort-test.sh
@@ -20,7 +20,9 @@ 
 set -e
 
 common_objpfx=$1; shift
-test_program_prefix=$1; shift
+test_program_prefix_before_env=$1; shift
+run_program_env=$1; shift
+test_program_prefix_after_env=$1; shift
 lang=$*
 
 id=${PPID:-100}
@@ -31,8 +33,9 @@  status=0
 for l in $lang; do
   here=0
   cns=`echo $l | sed 's/\(.*\)[.][^.]*/\1/'`
-  LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}/iconvdata \
-   LC_ALL=$l ${test_program_prefix} \
+  ${test_program_prefix_before_env} \
+   ${run_program_env} \
+   LC_ALL=$l ${test_program_prefix_after_env} \
    ${common_objpfx}localedata/collate-test $id < $cns.in \
    > ${common_objpfx}localedata/$cns.out || here=1
   cmp -s $cns.in ${common_objpfx}localedata/$cns.out || here=1
@@ -44,8 +47,9 @@  for l in $lang; do
     status=1
   fi
 
-  LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}/iconvdata \
-   LC_ALL=$l ${test_program_prefix} \
+  ${test_program_prefix_before_env} \
+   ${run_program_env} \
+   LC_ALL=$l ${test_program_prefix_after_env} \
    ${common_objpfx}localedata/xfrm-test $id < $cns.in \
    > ${common_objpfx}localedata/$cns.xout || here=1
   cmp -s $cns.in ${common_objpfx}localedata/$cns.xout || here=1
diff --git a/localedata/tst-ctype.sh b/localedata/tst-ctype.sh
index 472f8dc..ae105ba 100755
--- a/localedata/tst-ctype.sh
+++ b/localedata/tst-ctype.sh
@@ -20,7 +20,9 @@ 
 set -e
 
 common_objpfx=$1; shift
-tst_ctype=$1; shift
+tst_ctype_before_env=$1; shift
+run_program_env=$1; shift
+tst_ctype_after_env=$1; shift
 status=0
 
 # Run the test programs.
@@ -31,8 +33,9 @@  for loc in C de_DE.ISO-8859-1 de_DE.UTF-8 en_US.ANSI_X3.4-1968 ja_JP.EUC-JP; do
   else
     input=/dev/null
   fi
-  LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-  LC_ALL=$loc ${tst_ctype} < $input \
+  ${tst_ctype_before_env} \
+  ${run_program_env} \
+  LC_ALL=$loc ${tst_ctype_after_env} < $input \
     >> ${common_objpfx}localedata/tst-ctype.out || status=1
 done
 
diff --git a/localedata/tst-fmon.sh b/localedata/tst-fmon.sh
index e68aa96..7f1b248 100755
--- a/localedata/tst-fmon.sh
+++ b/localedata/tst-fmon.sh
@@ -21,9 +21,11 @@ 
 set -e
 
 common_objpfx=$1
-run_program_prefix=$2
-test_program_prefix=$3
-datafile=$4
+run_program_prefix_before_env=$2
+run_program_env=$3
+run_program_prefix_after_env=$4
+test_program_prefix=$5
+datafile=$6
 
 here=`pwd`
 
@@ -33,9 +35,10 @@  lang=`sed -e '/^#/d' -e '/^$/d' -e '/^C	/d' -e '/^tstfmon/d' -e 's/^\([^	]*\).*/
 for cns in `cd ./tst-fmon-locales && ls tstfmon_*`; do
     cn=tst-fmon-locales/$cns
     fn=charmaps/ISO-8859-1
-    I18NPATH=. GCONV_PATH=${common_objpfx}iconvdata \
-    LOCPATH=${common_objpfx}localedata LC_ALL=C LANGUAGE=C \
-    ${run_program_prefix} ${common_objpfx}locale/localedef \
+    ${run_program_prefix_before_env} \
+    ${run_program_env} \
+    I18NPATH=. LANGUAGE=C \
+    ${run_program_prefix_after_env} ${common_objpfx}locale/localedef \
     --quiet -i $cn -f $fn ${common_objpfx}localedata/$cns
 done
 
@@ -46,8 +49,6 @@  while IFS="	" read locale format value expect; do
     case "$locale" in '#'*) continue ;; esac
     if [ -n "$format" ]; then
 	expect=`echo "$expect" | sed 's/^\"\(.*\)\"$/\1/'`
-	LOCPATH=${common_objpfx}localedata \
-	GCONV_PATH=${common_objpfx}/iconvdata \
 	${test_program_prefix} ${common_objpfx}localedata/tst-fmon \
 	"$locale" "$format" "$value" "$expect" < /dev/null ||
 	errcode=$?
diff --git a/localedata/tst-langinfo.sh b/localedata/tst-langinfo.sh
index bd489d0..df5aed3 100755
--- a/localedata/tst-langinfo.sh
+++ b/localedata/tst-langinfo.sh
@@ -20,7 +20,9 @@ 
 set -e
 
 common_objpfx=$1
-tst_langinfo=$2
+tst_langinfo_before_env=$2
+run_program_env=$3
+tst_langinfo_after_env=$4
 
 # Run the test program.
 cat <<"EOF" |
@@ -339,7 +341,8 @@  ja_JP.EUC-JP         NOEXPR      ^([nN
 # ja_JP.EUC-JP         CRNCYSTR    JPY
 ja_JP.EUC-JP         CODESET     EUC-JP
 EOF
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-LC_ALL=tt_TT ${tst_langinfo}
+${tst_langinfo_before_env} \
+${run_program_env} \
+LC_ALL=tt_TT ${tst_langinfo_after_env}
 
 exit $?
diff --git a/localedata/tst-locale.sh b/localedata/tst-locale.sh
index b89dc09..7c71dcf 100755
--- a/localedata/tst-locale.sh
+++ b/localedata/tst-locale.sh
@@ -21,7 +21,9 @@ 
 set -e
 
 common_objpfx=$1; shift
-localedef=$1; shift
+localedef_before_env=$1; shift
+run_program_env=$1; shift
+localedef_after_env=$1; shift
 
 test_locale ()
 {
@@ -32,9 +34,10 @@  test_locale ()
     if test $rep; then
       rep="--repertoire-map $rep"
     fi
-    I18NPATH=. GCONV_PATH=${common_objpfx}iconvdata \
-    LOCPATH=${common_objpfx}localedata LC_ALL=C LANGUAGE=C \
-    ${localedef} --quiet -c -f $charmap -i $input \
+    ${localedef_before_env} \
+    ${run_program_env} \
+    I18NPATH=. LANGUAGE=C \
+    ${localedef_after_env} --quiet -c -f $charmap -i $input \
       ${rep} ${common_objpfx}localedata/$out
 
     if [ $? -ne 0 ]; then
diff --git a/localedata/tst-mbswcs.sh b/localedata/tst-mbswcs.sh
index 6a70fd7..1cfc482 100755
--- a/localedata/tst-mbswcs.sh
+++ b/localedata/tst-mbswcs.sh
@@ -25,23 +25,18 @@  test_program_prefix=$1; shift
 status=0
 
 # Run the test programs.
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} ${common_objpfx}localedata/tst-mbswcs1 \
   > ${common_objpfx}localedata/tst-mbswcs.out || status=1
 
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} ${common_objpfx}localedata/tst-mbswcs2 \
   >> ${common_objpfx}localedata/tst-mbswcs.out || status=1
 
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} ${common_objpfx}localedata/tst-mbswcs3 \
   >> ${common_objpfx}localedata/tst-mbswcs.out || status=1
 
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} ${common_objpfx}localedata/tst-mbswcs4 \
   >> ${common_objpfx}localedata/tst-mbswcs.out || status=1
 
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} ${common_objpfx}localedata/tst-mbswcs5 \
   >> ${common_objpfx}localedata/tst-mbswcs.out || status=1
 
diff --git a/localedata/tst-numeric.sh b/localedata/tst-numeric.sh
index ff797cd..734466e 100644
--- a/localedata/tst-numeric.sh
+++ b/localedata/tst-numeric.sh
@@ -30,9 +30,7 @@  errcode=0
 while IFS="	" read locale format value expect; do
     case "$locale" in '#'*) continue ;; esac
     if [ -n "$format" ]; then
-	if LOCPATH=${common_objpfx}localedata \
-	    GCONV_PATH=${common_objpfx}/iconvdata \
-	    ${test_program_prefix} ${common_objpfx}localedata/tst-numeric \
+	if ${test_program_prefix} ${common_objpfx}localedata/tst-numeric \
 	    "$locale" "$format" "$value" "$expect" < /dev/null
 	then
 	    echo "Locale: \"${locale}\" Format: \"${format}\"" \
diff --git a/localedata/tst-rpmatch.sh b/localedata/tst-rpmatch.sh
index bdb3b7c..a0fd914 100755
--- a/localedata/tst-rpmatch.sh
+++ b/localedata/tst-rpmatch.sh
@@ -26,8 +26,6 @@  tst_rpmatch=$2
 rc=0
 while IFS=\& read locale string result dummy; do
     if [ "$locale" != "#" ]; then
-	LOCPATH=${common_objpfx}localedata \
-	GCONV_PATH=${common_objpfx}/iconvdata \
 	${tst_rpmatch} $locale $string $result < /dev/null \
 	|| { echo "$locale $string $result  FAILED"; exit 1; }
     fi
diff --git a/localedata/tst-trans.sh b/localedata/tst-trans.sh
index e82e4f8..99190a5 100755
--- a/localedata/tst-trans.sh
+++ b/localedata/tst-trans.sh
@@ -20,20 +20,26 @@ 
 set -e
 
 common_objpfx=$1
-run_program_prefix=$2
-test_program_prefix=$3
+run_program_prefix_before_env=$2
+run_program_env=$3
+run_program_prefix_after_env=$4
+test_program_prefix_before_env=$5
+test_program_prefix_after_env=$6
 
 # Generate the necessary locale data.
-I18NPATH=. GCONV_PATH=${common_objpfx}/iconvdata \
-${run_program_prefix} \
+${run_program_prefix_before_env} \
+${run_program_env} \
+I18NPATH=. \
+${run_program_prefix_after_env} \
 ${common_objpfx}locale/localedef --quiet \
 -i tests/trans.def -f charmaps/ISO-8859-1 \
 ${common_objpfx}localedata/tt_TT ||
 exit 1
 
 # Run the test program.
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-LC_ALL=tt_TT ${test_program_prefix} \
+${test_program_prefix_before_env} \
+${run_program_env} \
+LC_ALL=tt_TT ${test_program_prefix_after_env} \
 ${common_objpfx}localedata/tst-trans > ${common_objpfx}localedata/tst-trans.out
 
 exit $?
diff --git a/localedata/tst-wctype.sh b/localedata/tst-wctype.sh
index 31d57bc..53b88b5 100755
--- a/localedata/tst-wctype.sh
+++ b/localedata/tst-wctype.sh
@@ -20,11 +20,14 @@ 
 set -e
 
 common_objpfx=$1
-tst_wctype=$2
+tst_wctype_before_env=$2
+run_program_env=$3
+tst_wctype_after_env=$4
 
 # Run the test program.
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-LC_ALL=ja_JP.EUC-JP ${tst_wctype} < tst-wctype.input \
+${tst_wctype_before_env} \
+${run_program_env} \
+LC_ALL=ja_JP.EUC-JP ${tst_wctype_after_env} < tst-wctype.input \
     > ${common_objpfx}localedata/tst-wctype.out
 
 exit $?
diff --git a/malloc/Makefile b/malloc/Makefile
index 7a716f9..9e93523 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -116,7 +116,8 @@  ifeq ($(run-built-tests),yes)
 ifeq (yes,$(build-shared))
 ifneq ($(PERL),no)
 $(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+		 '$(run-program-env)' '$(test-program-prefix-after-env)' ; \
 	$(evaluate-test)
 endif
 endif
diff --git a/malloc/tst-mtrace.sh b/malloc/tst-mtrace.sh
index abd425d..446ebec 100755
--- a/malloc/tst-mtrace.sh
+++ b/malloc/tst-mtrace.sh
@@ -20,14 +20,17 @@ 
 set -e
 
 common_objpfx=$1; shift
-test_program_prefix=$1; shift
+test_program_prefix_before_env=$1; shift
+run_program_env=$1; shift
+test_program_prefix_after_env=$1; shift
 
 status=0
 trap "rm -f ${common_objpfx}malloc/tst-mtrace.leak; exit 1" 1 2 15
 
+${test_program_prefix_before_env} \
+${run_program_env} \
 MALLOC_TRACE=${common_objpfx}malloc/tst-mtrace.leak \
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
-${test_program_prefix} \
+${test_program_prefix_after_env} \
   ${common_objpfx}malloc/tst-mtrace || status=1
 
 if test $status -eq 0 && test -f ${common_objpfx}malloc/mtrace; then
diff --git a/manual/install.texi b/manual/install.texi
index d7da02b..08851e1 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -275,13 +275,15 @@  system and @var{hostname}.
 In general, when testing @theglibc{}, @samp{test-wrapper} may be set
 to the name and arguments of any program to run newly built binaries.
 This program must preserve the arguments to the binary being run, its
-working directory, all environment variables set as part of testing
-and the standard input, output and error file descriptors.  If
+working directory and the standard input, output and error file
+descriptors.  If
 @samp{@var{test-wrapper} env} will not work to run a program with
 environment variables set, then @samp{test-wrapper-env} must be set to
 a program that runs a newly built program with environment variable
 assignments in effect, those assignments being specified as
-@samp{@var{var}=@var{value}} before the name of the program to be run.
+@samp{@var{var}=@var{value}} before the name of the program to be
+run.  If multiple assignments to the same variable are specified,
+the last assignment specified must take precedence.
 
 
 @node Running make install
diff --git a/math/Makefile b/math/Makefile
index f337a0e..b5cbfda 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -159,7 +159,7 @@  ifneq (no,$(PERL))
 .PHONY: regen-ulps
 
 run-regen-ulps = $(test-wrapper-env) \
-	    GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
+	    $(run-program-env) \
 	    $($*-ENV) $(rtld-prefix) $${run}
 
 regen-ulps: $(addprefix $(objpfx),$(libm-tests))
diff --git a/nptl/Makefile b/nptl/Makefile
index 0bb6ab1..cd3be12 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -493,7 +493,7 @@  $(objpfx)tst-tls6.out: tst-tls6.sh $(objpfx)tst-tls5 \
 		       $(objpfx)tst-tls5modc.so $(objpfx)tst-tls5modd.so \
 		       $(objpfx)tst-tls5mode.so $(objpfx)tst-tls5modf.so
 	$(BASH) $< $(common-objpfx) '$(test-via-rtld-prefix)' \
-	  '$(test-wrapper-env)'; \
+	  '$(test-wrapper-env)' '$(run-program-env)'; \
 	$(evaluate-test)
 endif
 
diff --git a/nptl/tst-tls6.sh b/nptl/tst-tls6.sh
index 5a897fe..2d31826 100755
--- a/nptl/tst-tls6.sh
+++ b/nptl/tst-tls6.sh
@@ -22,17 +22,13 @@  set -e
 common_objpfx=$1; shift
 test_via_rtld_prefix=$1; shift
 test_wrapper_env=$1; shift
+run_program_env=$1; shift
 logfile=$common_objpfx/nptl/tst-tls6.out
 
 # We have to find libc and nptl
 library_path=${common_objpfx}:${common_objpfx}nptl
 tst_tls5="${test_via_rtld_prefix} ${common_objpfx}/nptl/tst-tls5"
 
-LC_ALL=C
-export LC_ALL
-LANG=C
-export LANG
-
 > $logfile
 fail=0
 
@@ -40,6 +36,7 @@  for aligned in a e f; do
   echo "preload tst-tls5mod{$aligned,b,c,d}.so" >> $logfile
   echo "===============" >> $logfile
   ${test_wrapper_env} \
+  ${run_program_env} LANG=C \
   LD_PRELOAD="`echo ${common_objpfx}nptl/tst-tls5mod{$aligned,b,c,d}.so \
 	      | sed 's/:$//;s/: /:/g'`" ${tst_tls5} >> $logfile || fail=1
   echo >> $logfile
@@ -47,6 +44,7 @@  for aligned in a e f; do
   echo "preload tst-tls5mod{b,$aligned,c,d}.so" >> $logfile
   echo "===============" >> $logfile
   ${test_wrapper_env} \
+  ${run_program_env} LANG=C \
   LD_PRELOAD="`echo ${common_objpfx}nptl/tst-tls5mod{b,$aligned,c,d}.so \
 	      | sed 's/:$//;s/: /:/g'`" ${tst_tls5} >> $logfile || fail=1
   echo >> $logfile
@@ -54,6 +52,7 @@  for aligned in a e f; do
   echo "preload tst-tls5mod{b,c,d,$aligned}.so" >> $logfile
   echo "===============" >> $logfile
   ${test_wrapper_env} \
+  ${run_program_env} LANG=C \
   LD_PRELOAD="`echo ${common_objpfx}nptl/tst-tls5mod{b,c,d,$aligned}.so \
 	      | sed 's/:$//;s/: /:/g'`" ${tst_tls5} >> $logfile || fail=1
   echo >> $logfile
@@ -62,6 +61,7 @@  done
 echo "preload tst-tls5mod{d,a,b,c,e}" >> $logfile
 echo "===============" >> $logfile
 ${test_wrapper_env} \
+${run_program_env} LANG=C \
 LD_PRELOAD="`echo ${common_objpfx}nptl/tst-tls5mod{d,a,b,c,e}.so \
 	    | sed 's/:$//;s/: /:/g'`" ${tst_tls5} >> $logfile || fail=1
 echo >> $logfile
@@ -69,6 +69,7 @@  echo >> $logfile
 echo "preload tst-tls5mod{d,a,b,e,f}" >> $logfile
 echo "===============" >> $logfile
 ${test_wrapper_env} \
+${run_program_env} LANG=C \
 LD_PRELOAD="`echo ${common_objpfx}nptl/tst-tls5mod{d,a,b,e,f}.so \
 	    | sed 's/:$//;s/: /:/g'`" ${tst_tls5} >> $logfile || fail=1
 echo >> $logfile
diff --git a/posix/Makefile b/posix/Makefile
index 3d75971..14e6cee 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -143,7 +143,8 @@  $(objpfx)globtest.out: globtest.sh $(objpfx)globtest
 		'$(test-program-prefix)' '$(test-wrapper-env)'; \
 	$(evaluate-test)
 $(objpfx)wordexp-tst.out: wordexp-tst.sh $(objpfx)wordexp-test
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+		 '$(run-program-env)' '$(test-program-prefix-after-env)'; \
 	$(evaluate-test)
 endif
 endif
diff --git a/posix/tst-getconf.sh b/posix/tst-getconf.sh
index 1cbebc5..0f770c4 100644
--- a/posix/tst-getconf.sh
+++ b/posix/tst-getconf.sh
@@ -24,12 +24,6 @@  run_getconf=$1; shift
 
 logfile=$common_objpfx/posix/tst-getconf.out
 
-# Since we use `sort' we must make sure to use the same locale everywhere.
-LC_ALL=C
-export LC_ALL
-LANG=C
-export LANG
-
 rm -f $logfile
 result=0
 while read name; do
diff --git a/posix/wordexp-tst.sh b/posix/wordexp-tst.sh
index 392feb0..2ed239b 100755
--- a/posix/wordexp-tst.sh
+++ b/posix/wordexp-tst.sh
@@ -24,7 +24,9 @@  set -e
 # The others are just there to be parameters.
 
 common_objpfx=$1; shift
-test_program_prefix=$1; shift
+test_program_prefix_before_env=$1; shift
+run_program_env=$1; shift
+test_program_prefix_after_env=$1; shift
 logfile=${common_objpfx}posix/wordexp-tst.out
 testout=${common_objpfx}posix/wordexp-test-result
 
@@ -38,7 +40,8 @@  IFS=" 	\
 export IFS
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '$*' > ${testout}1
 cat <<"EOF" | cmp - ${testout}1 >> $logfile || failed=1
 wordexp returned 0
@@ -50,7 +53,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '${*}' unquoted > ${testout}2
 cat <<"EOF" | cmp - ${testout}2 >> $logfile || failed=1
 wordexp returned 0
@@ -63,7 +67,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '$@' unquoted > ${testout}3
 cat <<"EOF" | cmp - ${testout}3 >> $logfile || failed=1
 wordexp returned 0
@@ -76,7 +81,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '"$* quoted"' param > ${testout}4
 cat <<"EOF" | cmp - ${testout}4 >> $logfile || failed=1
 wordexp returned 0
@@ -88,7 +94,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '"$@ quoted"' param > ${testout}5
 cat <<"EOF" | cmp - ${testout}5 >> $logfile || failed=1
 wordexp returned 0
@@ -102,7 +109,8 @@  fi
 # Why?  Because bash does it that way..
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '$#' 2 3 4 5 > ${testout}6
 cat <<"EOF" | cmp - ${testout}6 >> $logfile || failed=1
 wordexp returned 0
@@ -114,7 +122,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '$2 ${3} $4' 2nd 3rd "4 th" > ${testout}7
 cat <<"EOF" | cmp - ${testout}7 >> $logfile || failed=1
 wordexp returned 0
@@ -129,7 +138,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '${11}' 2 3 4 5 6 7 8 9 10 11 > ${testout}8
 cat <<"EOF" | cmp - ${testout}8 >> $logfile || failed=1
 wordexp returned 0
@@ -141,7 +151,8 @@  if test $failed -ne 0; then
 fi
 
 failed=0
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '"a $@ b"' c d > ${testout}9
 cat <<"EOF" | cmp - ${testout}9 >> $logfile || failed=1
 wordexp returned 0
@@ -154,7 +165,8 @@  if test $failed -ne 0; then
   status=1
 fi
 
-${test_program_prefix} \
+${test_program_prefix_before_env} ${run_program_env} IFS="$IFS" \
+${test_program_prefix_after_env} \
 ${common_objpfx}posix/wordexp-test '${#@} ${#2} *$**' two 3 4 > ${testout}10
 cat <<"EOF" | cmp - ${testout}10 || failed=1
 wordexp returned 0
diff --git a/scripts/cross-test-ssh.sh b/scripts/cross-test-ssh.sh
index 405ae99..f2a80a0 100755
--- a/scripts/cross-test-ssh.sh
+++ b/scripts/cross-test-ssh.sh
@@ -21,17 +21,17 @@ 
 # Run with --help flag to get more detailed help.
 
 progname="$(basename $0)"
-env_blacklist='HOME LOGNAME MAIL PATH SHELL SHLVL SSH_CLIENT SSH_CONNECTION
-USER TERM TERMCAP PWD'
 
 usage="usage: ${progname} [--ssh SSH] HOST COMMAND ..."
 help="Run a glibc test COMMAND on the remote machine HOST, via ssh,
-passing environment variables, preserving the current working directory,
-and respecting quoting.
+preserving the current working directory, and respecting quoting.
 
 If the '--ssh SSH' flag is present, use SSH as the SSH command,
 instead of ordinary 'ssh'.
 
+If the '--timeoutfactor FACTOR' flag is present, set TIMEOUTFACTOR on
+the remote machine to the specified FACTOR.
+
 To use this to run glibc tests, invoke the tests as follows:
 
   $ make test-wrapper='ABSPATH/cross-test-ssh.sh HOST' tests
@@ -58,13 +58,10 @@  ${progname} itself is run in on the build machine.
 The command and arguments are passed to the remote host in a way that
 avoids any further shell substitution or expansion, on the assumption
 that the shell on the build machine has already done them
-appropriately.
-
-${progname} propagates the values all environment variables through to
-the remote target, except the following:
-${env_blacklist}"
+appropriately."
 
 ssh='ssh'
+timeoutfactor=
 while [ $# -gt 0 ]; do
   case "$1" in
 
@@ -76,6 +73,14 @@  while [ $# -gt 0 ]; do
       ssh="$1"
       ;;
 
+    "--timeoutfactor")
+      shift
+      if [ $# -lt 1 ]; then
+        break
+      fi
+      timeoutfactor="$1"
+      ;;
+
     "--help")
       echo "$usage"
       echo "$help"
@@ -108,26 +113,20 @@  bourne_quote ()
   done
 }
 
-# Unset all variables from the blacklist.  Then echo all exported
-# variables.
-blacklist_exports ()
-{
-  (unset ${env_blacklist}; export -p) | sed 's/^declare -x/export/'
-}
-
-# Produce commands to carry over the current environment, less blacklisted
-# variables.
-exports="$(blacklist_exports)"
-
 # Transform the current argument list into a properly quoted Bourne shell
 # command string.
 command="$(bourne_quote "$@")"
 
-# Add commands to set environment variables and the current directory.
-command="${exports}
-cd $(bourne_quote "$PWD")
+# Add command to set the current directory.
+command="cd $(bourne_quote "$PWD")
 ${command}"
 
+# Add command to set the timeout factor, if required.
+if [ "$timeoutfactor" ]; then
+  command="export TIMEOUTFACTOR=$(bourne_quote "$timeoutfactor")
+${command}"
+fi
+
 # HOST's sshd simply concatenates its arguments with spaces and
 # passes them to some shell.  We want to force the use of /bin/sh,
 # so we need to re-quote the whole command to ensure it appears as
diff --git a/stdio-common/tst-printf.sh b/stdio-common/tst-printf.sh
index 521e660..923f6e5 100644
--- a/stdio-common/tst-printf.sh
+++ b/stdio-common/tst-printf.sh
@@ -24,7 +24,6 @@  test_program_prefix=$1; shift
 
 status=0
 
-LOCPATH=${common_objpfx}localedata GCONV_PATH=${common_objpfx}iconvdata \
 ${test_program_prefix} \
   ${common_objpfx}stdio-common/tst-printf \
   > ${common_objpfx}stdio-common/tst-printf.out || status=1
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 0fdf7cc..9b2271b 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -135,7 +135,9 @@  $(objpfx)isomac: isomac.c
 	$(native-compile)
 
 $(objpfx)tst-fmtmsg.out: tst-fmtmsg.sh $(objpfx)tst-fmtmsg
-	$(SHELL) $< $(common-objpfx) '$(test-program-prefix)' $(common-objpfx)stdlib/; \
+	$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
+		 '$(run-program-env)' '$(test-program-prefix-after-env)' \
+		 $(common-objpfx)stdlib/; \
 	$(evaluate-test)
 
 $(objpfx)tst-putenv: $(objpfx)tst-putenvmod.so
diff --git a/stdlib/tst-fmtmsg.sh b/stdlib/tst-fmtmsg.sh
index 4f075dc..e3afae0 100755
--- a/stdlib/tst-fmtmsg.sh
+++ b/stdlib/tst-fmtmsg.sh
@@ -20,47 +20,47 @@ 
 set -e
 
 common_objpfx=$1
-test_program_prefix=$2
-objpfx=$3
+test_program_prefix_before_env=$2
+run_program_env=$3
+test_program_prefix_after_env=$4
+objpfx=$5
 
-test="${test_program_prefix} ${objpfx}tst-fmtmsg"
+test_pre="${test_program_prefix_before_env} ${run_program_env}"
+test="${test_program_prefix_after_env} ${objpfx}tst-fmtmsg"
 out=${objpfx}tst-fmtmsg.out
 
-LC_ALL=C
-export LC_ALL
-
-(MSGVERB= $test || exit 1;
- MSGVERB=label $test || exit 1;
- MSGVERB=severity $test || exit 1;
- MSGVERB=severity:label $test || exit 1;
- MSGVERB=text $test || exit 1;
- MSGVERB=text:label $test || exit 1;
- MSGVERB=text:severity $test || exit 1;
- MSGVERB=text:severity:label $test || exit 1;
- MSGVERB=action $test || exit 1;
- MSGVERB=action:label $test || exit 1;
- MSGVERB=action:severity $test || exit 1;
- MSGVERB=action:severity:label $test || exit 1;
- MSGVERB=action:text $test || exit 1;
- MSGVERB=action:text:label $test || exit 1;
- MSGVERB=action:text:severity $test || exit 1;
- MSGVERB=action:text:severity:label $test || exit 1;
- MSGVERB=tag $test || exit 1;
- MSGVERB=tag:label $test || exit 1;
- MSGVERB=tag:severity $test || exit 1;
- MSGVERB=tag:severity:label $test || exit 1;
- MSGVERB=tag:text $test || exit 1;
- MSGVERB=tag:text:label $test || exit 1;
- MSGVERB=tag:text:severity $test || exit 1;
- MSGVERB=tag:text:severity:label $test || exit 1;
- MSGVERB=tag:action $test || exit 1;
- MSGVERB=tag:action:label $test || exit 1;
- MSGVERB=tag:action:severity $test || exit 1;
- MSGVERB=tag:action:severity:label $test || exit 1;
- MSGVERB=tag:action:text $test || exit 1;
- MSGVERB=tag:action:text:label $test || exit 1;
- MSGVERB=tag:action:text:severity $test || exit 1;
- MSGVERB=tag:action:text:severity:label $test || exit 1;) 2> $out
+($test_pre MSGVERB= $test || exit 1;
+ $test_pre MSGVERB=label $test || exit 1;
+ $test_pre MSGVERB=severity $test || exit 1;
+ $test_pre MSGVERB=severity:label $test || exit 1;
+ $test_pre MSGVERB=text $test || exit 1;
+ $test_pre MSGVERB=text:label $test || exit 1;
+ $test_pre MSGVERB=text:severity $test || exit 1;
+ $test_pre MSGVERB=text:severity:label $test || exit 1;
+ $test_pre MSGVERB=action $test || exit 1;
+ $test_pre MSGVERB=action:label $test || exit 1;
+ $test_pre MSGVERB=action:severity $test || exit 1;
+ $test_pre MSGVERB=action:severity:label $test || exit 1;
+ $test_pre MSGVERB=action:text $test || exit 1;
+ $test_pre MSGVERB=action:text:label $test || exit 1;
+ $test_pre MSGVERB=action:text:severity $test || exit 1;
+ $test_pre MSGVERB=action:text:severity:label $test || exit 1;
+ $test_pre MSGVERB=tag $test || exit 1;
+ $test_pre MSGVERB=tag:label $test || exit 1;
+ $test_pre MSGVERB=tag:severity $test || exit 1;
+ $test_pre MSGVERB=tag:severity:label $test || exit 1;
+ $test_pre MSGVERB=tag:text $test || exit 1;
+ $test_pre MSGVERB=tag:text:label $test || exit 1;
+ $test_pre MSGVERB=tag:text:severity $test || exit 1;
+ $test_pre MSGVERB=tag:text:severity:label $test || exit 1;
+ $test_pre MSGVERB=tag:action $test || exit 1;
+ $test_pre MSGVERB=tag:action:label $test || exit 1;
+ $test_pre MSGVERB=tag:action:severity $test || exit 1;
+ $test_pre MSGVERB=tag:action:severity:label $test || exit 1;
+ $test_pre MSGVERB=tag:action:text $test || exit 1;
+ $test_pre MSGVERB=tag:action:text:label $test || exit 1;
+ $test_pre MSGVERB=tag:action:text:severity $test || exit 1;
+ $test_pre MSGVERB=tag:action:text:severity:label $test || exit 1;) 2> $out
 
 cmp $out <<EOF
 GLIBC:tst-fmtmsg: HALT: halt
diff --git a/timezone/Makefile b/timezone/Makefile
index 0aef202..d10c3a5 100644
--- a/timezone/Makefile
+++ b/timezone/Makefile
@@ -80,8 +80,8 @@  CFLAGS-scheck.c = -Wno-strict-prototypes -DNOID -DHAVE_GETTEXT
 # Don't add leapseconds here since test-tz made checks that work only without
 # leapseconds.
 define build-testdata
-GCONV_PATH=${common-objpfx}iconvdata LANGUAGE=C LC_ALL=C \
-  $(built-program-cmd) -d $(testdata) -y ./yearistype $<; \
+$(built-program-cmd-before-env) $(run-program-env) LANGUAGE=C \
+  $(built-program-cmd-after-env) -d $(testdata) -y ./yearistype $<; \
 $(evaluate-test)
 endef