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test cc with the complete set of chosen flags 

The "test the C compiler works ok" comes before a bunch of flags
are added for --cpu or just depending on the host.  It helps
debugging if the test is done after these flags are (unconditionally)
added.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Paolo Bonzini 2010-12-23 11:43:52 +01:00 committed by Blue Swirl
parent e39f0062cc
commit 8d05095cec
1 changed files with 25 additions and 25 deletions
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50
configure vendored
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@ -220,31 +220,6 @@ QEMU_CFLAGS="-D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
QEMU_CFLAGS="-I. -I\$(SRC_PATH) $QEMU_CFLAGS" QEMU_CFLAGS="-I. -I\$(SRC_PATH) $QEMU_CFLAGS"
LDFLAGS="-g $LDFLAGS" LDFLAGS="-g $LDFLAGS"
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
gcc_flags="-fstack-protector-all $gcc_flags"
cat > $TMPC << EOF
int main(void) { return 0; }
EOF
for flag in $gcc_flags; do
if compile_prog "-Werror $QEMU_CFLAGS" "-Werror $flag" ; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
fi
done
# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) {}
EOF
if compile_object ; then
: C compiler works ok
else
echo "ERROR: \"$cc\" either does not exist or does not work"
exit 1
fi
check_define() { check_define() {
cat > $TMPC <<EOF cat > $TMPC <<EOF
#if !defined($1) #if !defined($1)
@ -941,6 +916,31 @@ echo "NOTE: The object files are built at the place where configure is launched"
exit 1 exit 1
fi fi
# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) {}
EOF
if compile_object ; then
: C compiler works ok
else
echo "ERROR: \"$cc\" either does not exist or does not work"
exit 1
fi
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
gcc_flags="-fstack-protector-all $gcc_flags"
cat > $TMPC << EOF
int main(void) { return 0; }
EOF
for flag in $gcc_flags; do
if compile_prog "-Werror $QEMU_CFLAGS" "-Werror $flag" ; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
fi
done
# #
# Solaris specific configure tool chain decisions # Solaris specific configure tool chain decisions
# #