===================================================================
@@ -928,6 +928,16 @@
;;
esac
+LIBMATHSPEC=
+# extra LD Flags which are required for targets
+case "${host}" in
+*-*-darwin*)
+ ;;
+*)
+ LIBMATHSPEC=-lm
+ ;;
+esac
+
# Check for --no-merge-exidx-entries, an ARM-specific linker option.
AC_CACHE_CHECK([for --no-merge-exidx-entries], [libgcj_cv_exidx],
[saved_ldflags="$LDFLAGS"
@@ -953,6 +963,7 @@
AC_SUBST(extra_ldflags_libjava)
AC_SUBST(extra_ldflags)
AC_SUBST(LIBSTDCXXSPEC)
+AC_SUBST(LIBMATHSPEC)
AC_SUBST(LIBGCJTESTSPEC)
===================================================================
@@ -7,6 +7,6 @@
*startfile: @THREADSTARTFILESPEC@ %(startfileorig)
%rename lib liborig
-*lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ -lm @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) @LIBSTDCXXSPEC@ %(liborig)
+*lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ @LIBMATHSPEC@ @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) @LIBSTDCXXSPEC@ %(liborig)
*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ @ATOMICSPEC@ @LIBGCJ_BC_SPEC@ -fkeep-inline-functions
The attached patch replaces the hard-coded -lm in libjava/libgcj.spec.in with the contents of LIBMATHSPEC as conditionally defined in configure.ac. Bootstrapped and regression tested on x86_64-apple-darwin10. Okay for gcc trunk? Jack ps Before this patch "gcj --main=testme -O testme.java" produced... /sw/lib/gcc4.6/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0) /sw/lib/gcc4.6/lib/libgcj.12.dylib (compatibility version 13.0.0, current version 13.0.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.2.1) /sw/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0) /usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.3) whereas with the patch libSystem properly appears last... /sw/lib/gcc4.6/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0) /sw/lib/gcc4.6/lib/libgcj.12.dylib (compatibility version 13.0.0, current version 13.0.0) /sw/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0) /usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.3) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.2.1) The separation of /sw/lib/gcc4.6/lib/libgcc_s.1.dylib and /usr/lib/libSystem.B.dylib in the linkage order appears due to the duplicate -lgcc_ext.10.5 occurances in the linkage as a result of -shared-libgcc... COLLECT_GCC_OPTIONS= '-mmacosx-version-min=10.6.5' '-v' '-O' '-shared-libgcc' '-mtune=generic' /sw/lib/gcc4.6/libexec/gcc/x86_64-apple-darwin10.5.0/4.6.0/collect2 -dynamic -arch x86_64 -macosx_version_min 10.6.5 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/sw/lib/gcc4.6/lib/gcc/x86_64-apple-darwin10.5.0/4.6.0 -L/sw/lib/gcc4.6/lib/gcc/x86_64-apple-darwin10.5.0/4.6.0/../../.. /var/tmp//cclJxmz2.o /var/tmp//ccKe7aS5.o -lgcc_ext.10.5 -lgcj -L/sw/lib -liconv -lz -allow_stack_execute -lgcc_ext.10.5 -lSystem 2010-08-18 Jack Howarth <howarth@bromo.med.uc.edu> * libjava/configure.ac: Set LIBMATHSPEC to -lm except on darwin. * libjava/libgcj.spec.in: Use LIBMATHSPEC. * libjava/configure: Regenerate. * libjava/Makefile.in: Likewise. * libjava/include/Makefile.in: Likewise. * libjava/testsuite/Makefile.in: Likewise. * libjava/gcj/Makefile.in: Likewise.