mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-30 14:31:14 +00:00
36 lines
1.0 KiB
Plaintext
36 lines
1.0 KiB
Plaintext
|
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
||
|
|
# Local configure fragment for sysdeps/i386.
|
||
|
|
|
||
|
|
AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
|
||
|
|
libc_cv_cpp_asm_debuginfo, [dnl
|
||
|
|
cat > conftest.S <<EOF
|
||
|
|
#include "confdefs.h"
|
||
|
|
|
||
|
|
/* comment on
|
||
|
|
two lines */
|
||
|
|
${libc_cv_dot_text}
|
||
|
|
${libc_cv_asm_global_directive} foo
|
||
|
|
foo:
|
||
|
|
/* Unfortunately this test only works for a real instruction,
|
||
|
|
not for any of the machine-independent pseudo-ops.
|
||
|
|
So we just have to assume everybody has a "nop". */
|
||
|
|
nop
|
||
|
|
/* comment */
|
||
|
|
nop
|
||
|
|
/* comment */
|
||
|
|
nop
|
||
|
|
EOF
|
||
|
|
if AC_TRY_COMMAND([${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&AS_MESSAGE_LOG_FD]) && {
|
||
|
|
ac_pattern='conftest\.S'
|
||
|
|
AC_TRY_COMMAND([readelf --debug-dump=line conftest.o |
|
||
|
|
grep $ac_pattern 1>&AS_MESSAGE_LOG_FD])
|
||
|
|
}; then
|
||
|
|
libc_cv_cpp_asm_debuginfo=yes
|
||
|
|
else
|
||
|
|
libc_cv_cpp_asm_debuginfo=no
|
||
|
|
fi
|
||
|
|
rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
|
||
|
|
if test $libc_cv_cpp_asm_debuginfo = yes; then
|
||
|
|
AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
|
||
|
|
fi
|