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| author | Mike Frysinger <vapier@gentoo.org> | 2013-10-30 13:20:52 +1000 |
|---|---|---|
| committer | Allan McRae <allan@archlinux.org> | 2013-10-30 17:32:08 +1000 |
| commit | cb8a6dbd176ee59d61068bed92e2c8d22bd28b13 (patch) | |
| tree | 9ead2c7bd7a279a0669afe49476dd1da4b3c8da9 /sysdeps/powerpc/powerpc32/configure.ac | |
| parent | 36a4953a1dbc2b1994c1df0478c1c89a41398dba (diff) | |
| download | glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.gz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.xz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.zip | |
rename configure.in to configure.ac
Autoconf has been deprecating configure.in for quite a long time. Rename all our configure.in and preconfigure.in files to .ac. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sysdeps/powerpc/powerpc32/configure.ac')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/configure.ac | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/configure.ac b/sysdeps/powerpc/powerpc32/configure.ac new file mode 100644 index 0000000000..21d3f5ee5b --- /dev/null +++ b/sysdeps/powerpc/powerpc32/configure.ac @@ -0,0 +1,32 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/powerpc/powerpc32. + +# See whether gas has R_PPC_REL16 relocs. +AC_CACHE_CHECK(for R_PPC_REL16 gas support, libc_cv_ppc_rel16, [dnl +cat > conftest.s <<\EOF + .text + addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha +EOF +if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then + libc_cv_ppc_rel16=yes +else + libc_cv_ppc_rel16=no +fi +rm -f conftest*]) +if test $libc_cv_ppc_rel16 = no; then + AC_MSG_ERROR(R_PPC_REL16 is not supported. Binutils is too old.) +fi + +# See whether GCC uses -msecure-plt. +AC_CACHE_CHECK(for -msecure-plt by default, libc_cv_ppc_secure_plt, [dnl +echo 'int foo (void) { extern int bar; return bar; }' > conftest.c +libc_cv_ppc_secure_plt=no +if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&AS_MESSAGE_LOG_FD); then + if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then + libc_cv_ppc_secure_plt=yes + fi +fi +rm -rf conftest*]) +if test $libc_cv_ppc_secure_plt = yes; then + AC_DEFINE(HAVE_PPC_SECURE_PLT) +fi |