1 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
2 # Local configure fragment for sysdeps/powerpc/powerpc32.
4 # See whether gas has R_PPC_REL16 relocs.
5 AC_CACHE_CHECK(for R_PPC_REL16 gas support, libc_cv_ppc_rel16, [dnl
6 cat > conftest.s <<\EOF
8 addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
10 if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
16 if test $libc_cv_ppc_rel16 = yes; then
17 AC_DEFINE(HAVE_ASM_PPC_REL16)
20 # See whether GCC uses -msecure-plt.
21 AC_CACHE_CHECK(for -msecure-plt by default, libc_cv_ppc_secure_plt, [dnl
22 echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
23 libc_cv_ppc_secure_plt=no
24 if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
25 if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then
26 libc_cv_ppc_secure_plt=yes
30 if test $libc_cv_ppc_secure_plt = yes; then
31 AC_DEFINE(HAVE_PPC_SECURE_PLT)