diff options
Diffstat (limited to 'gnattools/configure.ac')
| -rw-r--r-- | gnattools/configure.ac | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/gnattools/configure.ac b/gnattools/configure.ac index 0a94224a536..40d015ce8b0 100644 --- a/gnattools/configure.ac +++ b/gnattools/configure.ac @@ -51,15 +51,6 @@ ACX_NONCANONICAL_TARGET # Need to pass this down for now :-P AC_PROG_LN_S -# Determine what to build for 'gnattools' -if test $build = $target ; then - # Note that build=target is almost certainly the wrong test; FIXME - default_gnattools_target="gnattools-native" -else - default_gnattools_target="gnattools-cross" -fi -AC_SUBST([default_gnattools_target]) - # Target-specific stuff (defaults) TOOLS_TARGET_PAIRS= AC_SUBST(TOOLS_TARGET_PAIRS) @@ -135,6 +126,8 @@ esac # From user or toplevel makefile. AC_SUBST(ADA_CFLAGS) +# This is testing the CC passed from the toplevel Makefile, not the +# one we will select below. AC_PROG_CC warn_cflags= if test "x$GCC" = "xyes"; then @@ -142,6 +135,25 @@ if test "x$GCC" = "xyes"; then fi AC_SUBST(warn_cflags) +# Determine what to build for 'gnattools'. Test after the above, +# because testing for CC sets the final value of cross_compiling, even +# if we end up using a different CC. We want to build +# gnattools-native when: (a) this is a native build, i.e., +# cross_compiling=no, otherwise we know we cannot run binaries +# produced by the toolchain used for the build, not even the binaries +# created within ../gcc/; (b) build and host are the same, otherwise +# this is to be regarded as a cross build environment even if it seems +# that we can run host binaries; (c) host and target are the same, +# otherwise the tools in ../gcc/ generate code for a different +# platform. If you change this test, be sure to adjust +# ../gcc/ada/gcc-interface/config-lang.in as well. +if test "x$cross_compiling/$build/$host" = "xno/$host/$target" ; then + default_gnattools_target="gnattools-native" +else + default_gnattools_target="gnattools-cross" +fi +AC_SUBST([default_gnattools_target]) + # Output: create a Makefile. AC_CONFIG_FILES([Makefile]) |