newlib/libgloss/acinclude.m4
Jeff Johnston 4e71dc1e3a 2006-04-19 Jeff Johnston <jjohnstn@redhat.com>
* configure.in: Modified to support autoconf 2.59.
        * */configure.in: Ditto.
        * configure: Regenerated.
        * */configure: Ditto.
        * wince/aclocal.m4: Ditto.
        * acinclude.m4: New file.
        * aclocal.m4: Ditto.
        * arm/aclocal.m4: Ditto.
        * cris/aclocal.m4: Ditto.
        * crx/aclocal.m4: Ditto.
        * d30v/aclocal.m4: Ditto.
        * fr30/aclocal.m4: Ditto.
        * frv/aclocal.m4: Ditto.
        * hp74x/aclocal.m4: Ditto.
        * i386/aclocal.m4: Ditto.
        * i960/aclocal.m4: Ditto.
        * iq2000/aclocal.m4: Ditto.
        * libnosys/aclocal.m4: Ditto.
        * m32c/aclocal.m4: Ditto.
        * m32r/aclocal.m4: Ditto.
        * m68hc11/aclocal.m4: Ditto.
        * m68k/aclocal.m4: Ditto.
        * mcore/aclocal.m4: Ditto.
        * mips/aclocal.m4: Ditto.
        * mn10200/aclocal.m4: Ditto.
        * mn10300/aclocal.m4: Ditto.
        * mt/aclocal.m4: Ditto.
        * pa/aclocal.m4: Ditto.
        * rs6000/aclocal.m4: Ditto.
        * sparc/aclocal.m4: Ditto.
        * sparc/libsys/aclocal.m4: Ditto.
        * xstormy16/aclocal.m4: Ditto.
2006-04-19 19:44:05 +00:00

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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
# are probably using a cross compiler, which will not be able to fully
# link an executable. This should really be fixed in autoconf
# itself.
AC_DEFUN([LIB_AC_PROG_CC_GNU],
[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
cat > conftest.c <<EOF
#ifdef __GNUC__
yes;
#endif
EOF
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
fi])])
AC_DEFUN([LIB_AM_PROG_AS],
[# By default we simply use the C compiler to build assembly code.
AC_REQUIRE([LIB_AC_PROG_CC])
test "${CCAS+set}" = set || CCAS=$CC
test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)])
AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
])
AC_DEFUN([LIB_AC_PROG_CC],
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_PROG(CC, gcc, gcc)
_AM_DEPENDENCIES(CC)
if test -z "$CC"; then
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi
LIB_AC_PROG_CC_GNU
if test $ac_cv_prog_gcc = yes; then
GCC=yes
dnl Check whether -g works, even if CFLAGS is set, in case the package
dnl plays around with CFLAGS (such as to build both debugging and
dnl normal versions of a library), tasteless as that idea is.
ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
_AC_PROG_CC_G
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
elif test $ac_cv_prog_cc_g = yes; then
CFLAGS="-g -O2"
else
CFLAGS="-O2"
fi
else
GCC=
test "${CFLAGS+set}" = set || CFLAGS="-g"
fi
])