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| author | Paolo Bonzini <bonzini@gnu.org> | 2004-03-11 05:01:17 +0000 |
|---|---|---|
| committer | Nathanael Nerode <neroden@gcc.gnu.org> | 2004-03-11 05:01:17 +0000 |
| commit | e4c9c07571387e0d377858d4ee578cece464bba6 (patch) | |
| tree | 5754cfb1e4fb54f59bd27aff97cdfe79c44ce77f /config | |
| parent | e46e9f822e035f84349a34ae4dce020c98c30da5 (diff) | |
| download | gcc-e4c9c07571387e0d377858d4ee578cece464bba6.zip gcc-e4c9c07571387e0d377858d4ee578cece464bba6.tar.gz gcc-e4c9c07571387e0d377858d4ee578cece464bba6.tar.bz2 | |
(top level)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.in: Find default values for the tools as
soon as possible. Disable ada if GNAT is not found.
Emit error message about missing languages. Expand
--enable-languages=all for the gcc subdirectory.
(config)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* acx.m4 (ACX_PROG_GNAT): New macro, moved here
from the gcc subdirectory.
(gcc)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.ac: Remove code to detect languages,
it now lives exclusively in the top level.
* aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
top level, renamed to ACX_PROG_GNAT.
(gcc/ada)
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* config-lang.in: Build by default.
From-SVN: r79299
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 7 | ||||
| -rw-r--r-- | config/acx.m4 | 35 |
2 files changed, 42 insertions, 0 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index ac35d3e..7a970b7 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,10 @@ +2004-03-08 Paolo Bonzini <bonzini@gnu.org> + + PR ada/14131 + Move language detection to the top level. + * acx.m4 (ACX_PROG_GNAT): New macro, moved here + from the gcc subdirectory. + 2004-03-09 Hans-Peter Nilsson <hp@axis.com> * accross.m4 (AC_C_BIGENDIAN_CROSS): Compile endian probe with diff --git a/config/acx.m4 b/config/acx.m4 index 96b7c8a..ab7f98a 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -155,3 +155,38 @@ AC_DEFUN([AC_PROG_CPP_WERROR], [AC_REQUIRE([AC_PROG_CPP])dnl m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD])) ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR + +# Test for GNAT. +# We require the gnatbind program, and a compiler driver that +# understands Ada. We use the user's CC setting, already found. +# +# Sets the shell variable have_gnat to yes or no as appropriate, and +# substitutes GNATBIND. +AC_DEFUN([ACX_PROG_GNAT], +[AC_REQUIRE([AC_CHECK_TOOL_PREFIX]) +AC_REQUIRE([AC_PROG_CC]) +AC_CHECK_TOOL(GNATBIND, gnatbind, no) +AC_CACHE_CHECK([whether compiler driver understands Ada], + acx_cv_cc_gcc_supports_ada, +[cat >conftest.adb <<EOF +procedure conftest is begin null; end conftest; +EOF +acx_cv_cc_gcc_supports_ada=no +# There is a bug in old released versions of GCC which causes the +# driver to exit successfully when the appropriate language module +# has not been installed. This is fixed in 2.95.4, 3.0.2, and 3.1. +# Therefore we must check for the error message as well as an +# unsuccessful exit. +errors=`(${CC} -c conftest.adb) 2>&1 || echo failure` +if test x"$errors" = x; then + acx_cv_cc_gcc_supports_ada=yes + break +fi +rm -f conftest.*]) + +if test x$GNATBIND != xno && test x$acx_cv_gcc_supports_ada != xno; then + have_gnat=yes +else + have_gnat=no +fi +]) |