diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 7280c7a4ec..6cd3291bf1 100644 --- a/configure.in +++ b/configure.in @@ -496,6 +496,40 @@ if test $libc_cv_asm_set_directive = yes; then AC_DEFINE(HAVE_ASM_SET_DIRECTIVE) fi +if test $elf = yes; then + AC_CACHE_CHECK(for .previous assembler directive, + libc_cv_asm_previous_directive, [dnl + cat > conftest.s <<EOF +.section foo_section +.previous +EOF + if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then + libc_cv_asm_previous_directive=yes + else + libc_cv_asm_previous_directive=no + fi + rm -f conftest*]) + if test $libc_cv_asm_previous_directive = yes; then + AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE) + else + AC_CACHE_CHECK(for .popsection assembler directive, + libc_cv_asm_popsection_directive, [dnl + cat > conftest.s <<EOF +.pushsection foo_section +.popsection +EOF + if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then + libc_cv_asm_popsection_directive=yes + else + libc_cv_asm_popsection_directive=no + fi + rm -f conftest*]) + if test $libc_cv_asm_popsection_directive = yes; then + AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE) + fi + fi +fi + if test $elf != yes; then AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini, [AC_TRY_COMPILE(, [asm (".section .init"); |