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| author | Alan Modra <amodra@gmail.com> | 2022-10-12 10:06:35 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2022-10-12 10:08:14 +1030 |
| commit | b95bb5267e30b26d0831b6ba01d9bd25835d1046 (patch) | |
| tree | 37578b08c375cdcdd10d6b146fa055611e1fb048 /config | |
| parent | 82d23ca811ab365217fdc9bda215e23adb5e4a30 (diff) | |
| download | binutils-gdb-b95bb5267e30b26d0831b6ba01d9bd25835d1046.tar.gz | |
Re: Merge configure.ac from gcc project
Also copy over config.acx.m4, and regenerate.
Diffstat (limited to 'config')
| -rw-r--r-- | config/acx.m4 | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index 87c1b5e2932..7efe98aaf96 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -393,9 +393,13 @@ AC_DEFUN([ACX_PROG_GNAT], AC_REQUIRE([AC_PROG_CC]) AC_CHECK_TOOL(GNATBIND, gnatbind, no) AC_CHECK_TOOL(GNATMAKE, gnatmake, no) -AC_CACHE_CHECK([whether compiler driver understands Ada], +AC_CACHE_CHECK([whether compiler driver understands Ada and is recent enough], acx_cv_cc_gcc_supports_ada, [cat >conftest.adb <<EOF +pragma Warnings (Off); +with System.CRTL; +pragma Warnings (On); +use type System.CRTL.int64; procedure conftest is begin null; end conftest; EOF acx_cv_cc_gcc_supports_ada=no @@ -420,6 +424,31 @@ else fi ]) +# Test for D. +AC_DEFUN([ACX_PROG_GDC], +[AC_REQUIRE([AC_CHECK_TOOL_PREFIX]) +AC_REQUIRE([AC_PROG_CC]) +AC_CHECK_TOOL(GDC, gdc, no) +AC_CACHE_CHECK([whether the D compiler works], + acx_cv_d_compiler_works, +[cat >conftest.d <<EOF +module conftest; int main() { return 0; } +EOF +acx_cv_d_compiler_works=no +if test "x$GDC" != xno; then + errors=`(${GDC} $1[]m4_ifval([$1], [ ])-c conftest.d) 2>&1 || echo failure` + if test x"$errors" = x && test -f conftest.$ac_objext; then + acx_cv_d_compiler_works=yes + fi + rm -f conftest.* +fi]) +if test "x$GDC" != xno && test x$acx_cv_d_compiler_works != xno; then + have_gdc=yes +else + have_gdc=no +fi +]) + dnl 'make compare' can be significantly faster, if cmp itself can dnl skip bytes instead of using tail. The test being performed is dnl "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2" |