sysdeps/powerpc/powerpc32/configure.ac

   1 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
   2 # Local configure fragment for sysdeps/powerpc/powerpc32.
   3
   4 AC_DEFINE(HIDDEN_VAR_NEEDS_DYNAMIC_RELOC)
   5
   6 # See whether GCC uses -msecure-plt.
   7 AC_CACHE_CHECK(for -msecure-plt by default, libc_cv_ppc_secure_plt, [dnl
   8 echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
   9 libc_cv_ppc_secure_plt=no
  10 if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
  11   if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then
  12     libc_cv_ppc_secure_plt=yes
  13   fi
  14 fi
  15 rm -rf conftest*])
  16 if test $libc_cv_ppc_secure_plt = yes; then
  17   AC_DEFINE(HAVE_PPC_SECURE_PLT)
  18 fi