mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-26 05:20:30 +00:00
e23b25eccd
* aclocal.m4 (GAS_GDBINIT): New macro. * configure.in: Use it. * configure: Regenerated. (using autoconf-1.117)
91 lines
2.4 KiB
Plaintext
91 lines
2.4 KiB
Plaintext
dnl
|
|
dnl This ugly hack is needed because the Cygnus configure script won't
|
|
dnl tell us what CC is going to be, and "cc" isn't always right. (The
|
|
dnl top-level Makefile will always override anything we choose here, so
|
|
dnl the usual gcc/cc selection is useless.)
|
|
dnl
|
|
dnl It knows where it is in the tree; don't try using it elsewhere.
|
|
dnl
|
|
undefine([AC_PROG_CC])dnl
|
|
AC_DEFUN(AC_PROG_CC,
|
|
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
|
|
dnl
|
|
dnl The ugly bit...
|
|
dnl
|
|
AC_MSG_CHECKING([for CC])
|
|
dnl Don't bother with cache.
|
|
test -z "$CC" && CC=`egrep '^CC *=' ../Makefile | tail -1 | sed 's/^CC *= *//'`
|
|
test -z "$CC" && CC=cc
|
|
AC_MSG_RESULT(setting CC to $CC)
|
|
AC_SUBST(CC)
|
|
dnl
|
|
dnl
|
|
# Find out if we are using GNU C, under whatever name.
|
|
cat > conftest.c <<EOF
|
|
#ifdef __GNUC__
|
|
yes
|
|
#endif
|
|
EOF
|
|
${CC-cc} -E conftest.c > conftest.out 2>&1
|
|
if egrep yes conftest.out >/dev/null 2>&1; then
|
|
GCC=yes
|
|
else
|
|
GCC=
|
|
fi
|
|
rm -f conftest*
|
|
])dnl
|
|
dnl
|
|
dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
|
|
AC_DEFUN(GAS_CHECK_DECL_NEEDED,[
|
|
AC_MSG_CHECKING(whether declaration is required for $1)
|
|
AC_CACHE_VAL(gas_cv_decl_needed_$1,
|
|
AC_TRY_LINK([$4],
|
|
[
|
|
typedef $3;
|
|
$2 x;
|
|
x = ($2) $1;
|
|
], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
|
|
AC_MSG_RESULT($gas_cv_decl_needed_$1)
|
|
test $gas_cv_decl_needed_$1 = no || {
|
|
ifelse(index($1,[$]),-1,
|
|
[AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]))],
|
|
[gas_decl_name_upcase=`echo $1 | tr '[a-z]' '[A-Z]'`
|
|
AC_DEFINE_UNQUOTED(NEED_DECLARATION_$gas_decl_name_upcase)])
|
|
}
|
|
])dnl
|
|
dnl
|
|
dnl Some non-ANSI preprocessors botch requoting inside strings. That's bad
|
|
dnl enough, but on some of those systems, the assert macro relies on requoting
|
|
dnl working properly!
|
|
dnl GAS_WORKING_ASSERT
|
|
AC_DEFUN(GAS_WORKING_ASSERT,
|
|
[AC_MSG_CHECKING([for working assert macro])
|
|
AC_CACHE_VAL(gas_cv_assert_ok,
|
|
AC_TRY_LINK([#include <assert.h>
|
|
#include <stdio.h>], [
|
|
/* check for requoting problems */
|
|
static int a, b, c, d;
|
|
static char *s;
|
|
assert (!strcmp(s, "foo bar baz quux"));
|
|
/* check for newline handling */
|
|
assert (a == b
|
|
|| c == d);
|
|
], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
|
|
AC_MSG_RESULT($gas_cv_assert_ok)
|
|
test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT)
|
|
])dnl
|
|
dnl
|
|
dnl GAS_GDBINIT
|
|
dnl Generates a .gdbinit file in the build directory pointing gdb to
|
|
dnl srcdir, if srcdir != PWD.
|
|
AC_DEFUN(GAS_GDBINIT,
|
|
[if test `cd $srcdir;pwd` = `pwd` ; then
|
|
rm -f .gdbinit
|
|
cat > .gdbinit << EOF
|
|
dir $srcdir
|
|
dir .
|
|
source $srcdir/.gdbinit
|
|
EOF
|
|
fi
|
|
])dnl
|