Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJeff Johnston <jjohnstn@redhat.com>2006-04-19 23:44:05 +0400
committerJeff Johnston <jjohnstn@redhat.com>2006-04-19 23:44:05 +0400
commit4e71dc1e3ae33df4fb96a4f1fca04cc12325320d (patch)
tree7b0ccf6a518250a26e0696eff44c780f720858d7 /libgloss/acinclude.m4
parent53e906ee42a186b7de15d0ddf0f6ae244b0630f7 (diff)
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.
Diffstat (limited to 'libgloss/acinclude.m4')
-rw-r--r--libgloss/acinclude.m462
1 files changed, 62 insertions, 0 deletions
diff --git a/libgloss/acinclude.m4 b/libgloss/acinclude.m4
new file mode 100644
index 000000000..cdd34b6f0
--- /dev/null
+++ b/libgloss/acinclude.m4
@@ -0,0 +1,62 @@
+# 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
+])
+