===================================================================
@@ -1,5 +1,6 @@
@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-@c 1999, 2000, 2001, 2003, 2004, 2005, 2008 Free Software Foundation, Inc.
+@c 1999, 2000, 2001, 2003, 2004, 2005, 2008, 2011
+@c Free Software Foundation, Inc.
@c This is part of the GCC manual.
@c For copying conditions, see the file gcc.texi.
@@ -128,12 +129,6 @@ compiler. In that case, set @code{MULTI
of options to be used for all builds. If you set this, you should
probably set @code{CRTSTUFF_T_CFLAGS} to a dash followed by it.
-@findex NATIVE_SYSTEM_HEADER_DIR
-@item NATIVE_SYSTEM_HEADER_DIR
-If the default location for system headers is not @file{/usr/include},
-you must set this to the directory containing the headers. This value
-should match the value of the @code{SYSTEM_INCLUDE_DIR} macro.
-
@findex SPECS
@item SPECS
Unfortunately, setting @code{MULTILIB_EXTRA_OPTS} is not enough, since
===================================================================
@@ -468,33 +468,15 @@ initialize the necessary environment var
Define this macro as a C string constant if you wish to override the
standard choice of @file{/usr/local/include} as the default prefix to
try when searching for local header files. @code{LOCAL_INCLUDE_DIR}
-comes before @code{SYSTEM_INCLUDE_DIR} in the search order.
+comes before @code{NATIVE_SYSTEM_HEADER_DIR} (set in
+@file{config.gcc}, normally @file{/usr/include}) in the search order.
Cross compilers do not search either @file{/usr/local/include} or its
replacement.
@end defmac
-@defmac SYSTEM_INCLUDE_DIR
-Define this macro as a C string constant if you wish to specify a
-system-specific directory to search for header files before the standard
-directory. @code{SYSTEM_INCLUDE_DIR} comes before
-@code{STANDARD_INCLUDE_DIR} in the search order.
-
-Cross compilers do not use this macro and do not search the directory
-specified.
-@end defmac
-
-@defmac STANDARD_INCLUDE_DIR
-Define this macro as a C string constant if you wish to override the
-standard choice of @file{/usr/include} as the default prefix to
-try when searching for header files.
-
-Cross compilers ignore this macro and do not search either
-@file{/usr/include} or its replacement.
-@end defmac
-
-@defmac STANDARD_INCLUDE_COMPONENT
-The ``component'' corresponding to @code{STANDARD_INCLUDE_DIR}.
+@defmac NATIVE_SYSTEM_HEADER_COMPONENT
+The ``component'' corresponding to @code{NATIVE_SYSTEM_HEADER_DIR}.
See @code{INCLUDE_DEFAULTS}, below, for the description of components.
If you do not define this macro, no component is used.
@end defmac
@@ -503,8 +485,8 @@ If you do not define this macro, no comp
Define this macro if you wish to override the entire default search path
for include files. For a native compiler, the default search path
usually consists of @code{GCC_INCLUDE_DIR}, @code{LOCAL_INCLUDE_DIR},
-@code{SYSTEM_INCLUDE_DIR}, @code{GPLUSPLUS_INCLUDE_DIR}, and
-@code{STANDARD_INCLUDE_DIR}. In addition, @code{GPLUSPLUS_INCLUDE_DIR}
+@code{GPLUSPLUS_INCLUDE_DIR}, and
+@code{NATIVE_SYSTEM_HEADER_DIR}. In addition, @code{GPLUSPLUS_INCLUDE_DIR}
and @code{GCC_INCLUDE_DIR} are defined automatically by @file{Makefile},
and specify private search areas for GCC@. The directory
@code{GPLUSPLUS_INCLUDE_DIR} is used only for C++ programs.
===================================================================
@@ -903,6 +903,14 @@ ideas of what it is for. People use it
install part of GCC@. Perhaps they make this assumption because
installing GCC creates the directory.
+@item --with-native-system-header-dir=@var{dirname}
+Specifies that @var{dirname} is the directory that contains native system
+header files, rather than @file{/usr/include}. This option is most useful
+if you are creating a compiler that should be isolated from the system
+as much as possible. It is most commonly used with the
+@option{--with-sysroot} option and will cause GCC to search
+@var{dirname} inside the system root specified by that option.
+
@item --enable-shared[=@var{package}[,@dots{}]]
Build shared versions of libraries, if shared libraries are supported on
the target platform. Unlike GCC 2.95.x and earlier, shared libraries
@@ -1736,6 +1744,10 @@ target libraries (which runs on the buil
installed with @code{make install}; it does not affect the compiler which is
used to build GCC itself.
+If you specify the @option{--with-native-system-header-dir=@var{dirname}}
+option then the compiler will search that directory within @var{dirname} for
+native system headers rather than the default @file{/usr/include}.
+
@item --with-build-sysroot
@itemx --with-build-sysroot=@var{dir}
Tells GCC to consider @var{dir} as the system root (see
@@ -1750,6 +1762,10 @@ This option affects the system root for
target libraries (which runs on the build system); it does not affect
the compiler which is used to build GCC itself.
+If you specify the @option{--with-native-system-header-dir=@var{dirname}}
+option then the compiler will search that directory within @var{dirname} for
+native system headers rather than the default @file{/usr/include}.
+
@item --with-headers
@itemx --with-headers=@var{dir}
Deprecated in favor of @option{--with-sysroot}.
===================================================================
@@ -725,6 +725,19 @@ AC_ARG_ENABLE(shared,
], [enable_shared=yes])
AC_SUBST(enable_shared)
+AC_ARG_WITH([native-system-header-dir],
+ [ --with-native-system-header-dir=dir
+ use dir as the directory to look for standard
+ system header files in. Defaults to /usr/include.],
+[
+ case ${with_native_system_header_dir} in
+ yes|no) AC_MSG_ERROR([bad value ${withval} given for --with-native-system-header-dir]) ;;
+ /*) ;;
+ *) AC_MSG_ERROR([--with-native-system-header-dir argument ${withval} must be an absolute directory]) ;;
+ esac
+ configured_native_system_header_dir="${withval}"
+], [configured_native_system_header_dir=])
+
AC_ARG_WITH(build-sysroot,
[AS_HELP_STRING([--with-build-sysroot=sysroot],
[use sysroot as the system root during the build])],
@@ -1331,6 +1344,12 @@ if test "$host_xm_file" != "$build_xm_fi
fi
fi
+if test -n "$configured_native_system_header_dir"; then
+ native_system_header_dir=$configured_native_system_header_dir
+fi
+NATIVE_SYSTEM_HEADER_DIR="$native_system_header_dir"
+AC_SUBST(NATIVE_SYSTEM_HEADER_DIR)
+
case ${host} in
powerpc*-*-darwin*)
AC_CACHE_CHECK([whether mcontext_t fields have underscores],
@@ -4517,14 +4536,14 @@ if test x$host != x$target || test "x$TA
elif test "x$with_sysroot" = x; then
target_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
elif test "x$with_build_sysroot" != "x"; then
- target_header_dir="${with_build_sysroot}/usr/include"
+ target_header_dir="${with_build_sysroot}${native_system_header_dir}"
elif test "x$with_sysroot" = xyes; then
- target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}"
else
- target_header_dir="${with_sysroot}/usr/include"
+ target_header_dir="${with_sysroot}${native_system_header_dir}"
fi
else
- target_header_dir=/usr/include
+ target_header_dir=${native_system_header_dir}
fi
# Test for stack protector support in target C library.
===================================================================
@@ -1,6 +1,7 @@
/* CPP Library.
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2003, 2004, 2006, 2007, 2010 Free Software Foundation, Inc.
+ 1999, 2000, 2003, 2004, 2006, 2007, 2010, 2011
+ Free Software Foundation, Inc.
Contributed by Per Bothner, 1994-95.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
@@ -25,18 +26,12 @@
#include "tm.h"
#include "cppdefault.h"
-#ifndef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/usr/include"
-#endif
-
-#ifndef STANDARD_INCLUDE_COMPONENT
-#define STANDARD_INCLUDE_COMPONENT 0
+#ifndef NATIVE_SYSTEM_HEADER_COMPONENT
+#define NATIVE_SYSTEM_HEADER_COMPONENT 0
#endif
#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
# undef LOCAL_INCLUDE_DIR
-# undef SYSTEM_INCLUDE_DIR
-# undef STANDARD_INCLUDE_DIR
#else
# undef CROSS_INCLUDE_DIR
#endif
@@ -89,14 +84,8 @@ const struct default_include cpp_include
/* Another place the target system's headers might be. */
{ TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0 },
#endif
-#ifdef SYSTEM_INCLUDE_DIR
- /* Some systems have an extra dir of include files. */
- { SYSTEM_INCLUDE_DIR, 0, 0, 0, 1, 0 },
-#endif
-#ifdef STANDARD_INCLUDE_DIR
/* /usr/include comes dead last. */
- { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0, 1, 0 },
-#endif
+ { NATIVE_SYSTEM_HEADER_DIR, NATIVE_SYSTEM_HEADER_COMPONENT, 0, 0, 1, 0 },
{ 0, 0, 0, 0, 0, 0 }
};
#endif /* no INCLUDE_DEFAULTS */
@@ -136,4 +125,3 @@ cpp_relocated (void)
return relocated;
}
-
===================================================================
@@ -867,7 +867,8 @@ extern void fancy_abort (const char *, i
FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS \
SETJMP_VIA_SAVE_AREA FORBIDDEN_INC_DEC_CLASSES \
- PREFERRED_OUTPUT_RELOAD_CLASS
+ PREFERRED_OUTPUT_RELOAD_CLASS SYSTEM_INCLUDE_DIR \
+ STANDARD_INCLUDE_DIR STANDARD_INCLUDE_COMPONENT
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
===================================================================
@@ -186,6 +186,13 @@
# configure_default_options
# Set to an initializer for configure_default_options
# in configargs.h, based on --with-cpu et cetera.
+#
+# native_system_header_dir
+# Where system header files are found for this
+# target. This defaults to /usr/include. If
+# the --with-sysroot configure option or the
+# --sysroot command line option is used this
+# will be relative to the sysroot.
# The following variables are used in each case-construct to build up the
# outgoing variables:
@@ -238,6 +245,7 @@ default_gnu_indirect_function=no
target_gtfiles=
need_64bit_hwint=
need_64bit_isa=
+native_system_header_dir=/usr/include
# Don't carry these over build->host->target. Please.
xm_file=
@@ -596,7 +604,8 @@ case ${target} in
*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-kopensolaris*-gnu)
:;;
*-*-gnu*)
- tmake_file="$tmake_file t-gnu";;
+ native_system_header_dir=/include
+ ;;
esac
# glibc / uclibc / bionic switch.
# uclibc and bionic aren't usable for GNU/Hurd and neither for GNU/k*BSD.
@@ -1370,7 +1379,7 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu
i[34567]86-pc-msdosdjgpp*)
xm_file=i386/xm-djgpp.h
tm_file="dbxcoff.h ${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/djgpp.h i386/djgpp-stdint.h"
- tmake_file="${tmake_file} i386/t-djgpp"
+ native_system_header_dir=/dev/env/DJDIR/include
extra_options="${extra_options} i386/djgpp.opt"
gnu_ld=yes
gas=yes
@@ -1540,6 +1549,7 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
tmake_file="${tmake_file} i386/t-mingw32"
;;
esac
+ native_system_header_dir=/mingw/include
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
extra_options="${extra_options} i386/cygming.opt i386/mingw.opt"
case ${target} in
@@ -2563,6 +2573,7 @@ sparc64-*-openbsd*)
spu-*-elf*)
tm_file="dbxelf.h elfos.h spu/spu-elf.h spu/spu.h newlib-stdint.h"
tmake_file="spu/t-spu-elf"
+ native_system_header_dir=/include
extra_headers="spu_intrinsics.h spu_internals.h vmx2spu.h spu_mfcio.h vec_types.h spu_cache.h"
extra_modes=spu/spu-modes.def
c_target_objs="${c_target_objs} spu-c.o"
===================================================================
@@ -455,7 +455,7 @@ LINKER_PLUGIN_API_H = $(srcdir)/../inclu
LTO_SYMTAB_H = $(srcdir)/../include/lto-symtab.h
# Default native SYSTEM_HEADER_DIR, to be overridden by targets.
-NATIVE_SYSTEM_HEADER_DIR = /usr/include
+NATIVE_SYSTEM_HEADER_DIR = @NATIVE_SYSTEM_HEADER_DIR@
# Default cross SYSTEM_HEADER_DIR, to be overridden by targets.
CROSS_SYSTEM_HEADER_DIR = @CROSS_SYSTEM_HEADER_DIR@
@@ -4074,6 +4074,7 @@ PREPROCESSOR_DEFINES = \
-DLOCAL_INCLUDE_DIR=\"$(local_includedir)\" \
-DCROSS_INCLUDE_DIR=\"$(CROSS_SYSTEM_HEADER_DIR)\" \
-DTOOL_INCLUDE_DIR=\"$(gcc_tooldir)/include\" \
+ -DNATIVE_SYSTEM_HEADER_DIR=\"$(NATIVE_SYSTEM_HEADER_DIR)\" \
-DPREFIX=\"$(prefix)/\" \
-DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \
@TARGET_SYSTEM_ROOT_DEFINE@
===================================================================
@@ -15,10 +15,6 @@
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
-# Define system directory to match STANDARD_INCLUDE_DIR in spu-elf.h,
-# allowing combined SPU/PPU sysroot builds.
-NATIVE_SYSTEM_HEADER_DIR = /include
-
# Suppress building libgcc1.a
LIBGCC1 =
CROSS_LIBGCC1 =
===================================================================
@@ -35,10 +35,6 @@
#undef STANDARD_STARTFILE_PREFIX_2
#define STANDARD_STARTFILE_PREFIX_2 ""
-/* Use "/include" instead of "/usr/include". */
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/include"
-
/* We do not provide any "/usr/local/include" directory on SPU. */
#undef LOCAL_INCLUDE_DIR
@@ -77,4 +73,3 @@
mcache-size=16 :-lgcc_cache16k; \
mcache-size=8 :-lgcc_cache8k; \
:-lgcc_cache64k}"
-
===================================================================
@@ -1,6 +1,3 @@
-# Match SYSTEM_INCLUDE_DIR
-NATIVE_SYSTEM_HEADER_DIR = /mingw/include
-
MULTILIB_OPTIONS = m64/m32
MULTILIB_DIRNAMES = 64 32
MULTILIB_OSDIRNAMES = ../lib ../lib32
===================================================================
@@ -48,10 +48,6 @@ along with GCC; see the file COPYING3.
/* We override default /usr or /usr/local part with /dev/env/DJDIR which */
/* points to actual DJGPP installation directory. */
-/* Standard include directory */
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/dev/env/DJDIR/include/"
-
/* Search for as.exe and ld.exe in DJGPP's binary directory. */
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/dev/env/DJDIR/bin/"
===================================================================
@@ -1,2 +0,0 @@
-# Location of DJGPP's header directory.
-NATIVE_SYSTEM_HEADER_DIR=$(DJDIR)/include
===================================================================
@@ -1,5 +1,2 @@
-# Match SYSTEM_INCLUDE_DIR
-NATIVE_SYSTEM_HEADER_DIR = /mingw/include
-
# MinGW-specific parts of LIB_SPEC
SHLIB_LC = -lmingwthrd -lmingw32 -lmingwex -lmoldname -lmsvcrt -ladvapi32 -lshell32 -luser32 -lkernel32
===================================================================
@@ -1,6 +1,3 @@
-# Match SYSTEM_INCLUDE_DIR
-NATIVE_SYSTEM_HEADER_DIR = /mingw/include
-
MULTILIB_OPTIONS = m64/m32
MULTILIB_DIRNAMES = 64 32
MULTILIB_OSDIRNAMES = ../lib64 ../lib
===================================================================
@@ -78,12 +78,8 @@ along with GCC; see the file COPYING3.
#define SUB_LINK_ENTRY SUB_LINK_ENTRY32
#endif
-/* Override the standard choice of /usr/include as the default prefix
- to try when searching for header files. */
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/mingw/include"
-#undef STANDARD_INCLUDE_COMPONENT
-#define STANDARD_INCLUDE_COMPONENT "MINGW"
+#undef NATIVE_HEADER_HEADER_COMPONENT
+#define NATIVE_SYSTEM_HEADER_COMPONENT "MINGW"
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
@@ -235,4 +231,3 @@ do { \
/* We should find a way to not have to update this manually. */
#define LIBGCJ_SONAME "libgcj" /*LIBGCC_EH_EXTN*/ "-12.dll"
-
===================================================================
@@ -1,2 +0,0 @@
-# In GNU, "/usr" is a four-letter word.
-NATIVE_SYSTEM_HEADER_DIR = /include
===================================================================
@@ -1,6 +1,6 @@
/* Configuration for GCC for hosting on VMS
using a Unix style C library.
- Copyright (C) 1996, 1997, 2001, 2004, 2007, 2009
+ Copyright (C) 1996, 1997, 2001, 2004, 2007, 2009, 2011
Free Software Foundation, Inc.
This file is part of GCC.
@@ -55,4 +55,3 @@ do
#define STANDARD_EXEC_PREFIX "/gnu/libexec/gcc/"
#define STANDARD_STARTFILE_PREFIX "/gnu/lib/"
-#define STANDARD_INCLUDE_DIR "/gnu/include"
===================================================================
@@ -28,10 +28,6 @@ along with GCC. If not, see <http://www
#undef LIB_SPEC
#define LIB_SPEC "%{pthread:-lpthread} %{pg|p|profile:-lc_p;:-lc}"
-/* Standard include directory. In GNU, "/usr" is a four-letter word. */
-#undef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/include"
-
#undef GNU_USER_TARGET_OS_CPP_BUILTINS
#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
do { \
===================================================================
@@ -1,5 +1,5 @@
/* Base configuration file for all OpenBSD targets.
- Copyright (C) 1999, 2000, 2004, 2005, 2007, 2009, 2010
+ Copyright (C) 1999, 2000, 2004, 2005, 2007, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
@@ -59,7 +59,7 @@ along with GCC; see the file COPYING3.
{ GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \
{ GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1 }, \
{ GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1 }, \
- { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0 }, \
+ { NATIVE_SYSTEM_HEADER_DIR, NATIVE_SYSTEM_HEADER_COMPONENT, 0, 0 }, \
{ 0, 0, 0, 0 } \
}