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-rw-r--r--sysdeps/powerpc/powerpc32/configure.in32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/configure.in b/sysdeps/powerpc/powerpc32/configure.in
new file mode 100644
index 0000000000..7219ad993e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/configure.in
@@ -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 $libc_cv_ppc_rel16 = yes; then
+  AC_DEFINE(HAVE_ASM_PPC_REL16)
+fi
+
+# See whether GCC uses -msecure-plt.
+AC_CACHE_CHECK(for -msecure-plt by default, libc_cv_ppc_secure_plt, [dnl
+echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
+libc_cv_ppc_secure_plt=no
+if AC_TRY_COMMAND(${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