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| author | Ian Lance Taylor <ian@airs.com> | 1996-01-12 20:26:05 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1996-01-12 20:26:05 +0000 |
| commit | b5ae84191310fad7720453da41fa86ec21590004 (patch) | |
| tree | b7ebd853fde77e45e162933c8433537fe05b072e /configure.in | |
| parent | 23cb3b650466e01046357408bb097e2e33132b41 (diff) | |
| download | gdb-b5ae84191310fad7720453da41fa86ec21590004.zip gdb-b5ae84191310fad7720453da41fa86ec21590004.tar.gz gdb-b5ae84191310fad7720453da41fa86ec21590004.tar.bz2 | |
* configure.in: Make sure that ${CC} can be used to compile an
executable.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.in b/configure.in index fdfeab6..7913e4a 100644 --- a/configure.in +++ b/configure.in @@ -672,6 +672,22 @@ fi # post-target: +# Make sure that the compiler is able to generate an executable. If it +# can't, we are probably in trouble. We don't care whether we can run the +# executable--we might be using a cross compiler--we only care whether it +# can be created. At this point the main configure script has set CC. +echo "int main () { return 0; }" > conftest.c +${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c +if [ $? = 0 ] && [ -s conftest ]; then + : +else + echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." + echo 1>&2 "*** You must set the environment variable CC to a working compiler." + rm -f conftest* + exit 1 +fi +rm -f conftest* + # Record target_configdirs and the configure arguments in Makefile. target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` targargs=`echo "${arguments}" | \ |