partial fix, make all 'e' class regs fixed

[pf3gnuchains/gcc-fork.git] / gcc / configure.ac

diff --git a/gcc/configure.ac b/gcc/configure.ac
index 3784338..2f571e6 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1024,6 +1024,22 @@ AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
        gettimeofday mbstowcs wcswidth mmap mincore setlocale \
        gcc_UNLOCKED_FUNCS)
 
+save_CPPFLAGS="$CPPFLAGS"
+save_LIBS="$LIBS"
+LIBS="$LIBS $LIBELFLIBS"
+AC_CHECK_FUNCS(elf_getshdrstrndx,,
+  [AC_CHECK_FUNCS(elf_getshstrndx,
+    [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
+#include <libelf.h>
+int main()
+{
+  return elf_getshstrndx (NULL, 0) == 0;
+}]])], AC_DEFINE(HAVE_ELF_GETSHSTRNDX_GABI, 1,
+        [Define if elf_getshstrndx has gABI conformant return values.]))])]
+  )
+LIBS="$save_LIBS"
+CPPFLAGS="$save_CPPFLAGS"
+
 if test x$ac_cv_func_mbstowcs = xyes; then
   AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
 [    AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>