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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:34:13 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:34:13 (GMT) |
commit | 67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch) | |
tree | 1dbf50b3dff8d5ca7e9344733968c72704eb15ff /config.tests/unix/fvisibility.test | |
download | Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.zip Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.gz Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.bz2 |
Long live Qt!
Diffstat (limited to 'config.tests/unix/fvisibility.test')
-rwxr-xr-x | config.tests/unix/fvisibility.test | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/config.tests/unix/fvisibility.test b/config.tests/unix/fvisibility.test new file mode 100755 index 0000000..b2bcc07 --- /dev/null +++ b/config.tests/unix/fvisibility.test @@ -0,0 +1,54 @@ +#!/bin/sh + +FVISIBILITY_SUPPORT=no +COMPILER=$1 +VERBOSE=$2 + +RunCompileTest() { + cat >>fvisibility.c << EOF +__attribute__((visibility("default"))) void blah(); +#if !defined(__GNUC__) +# error "Visiblility support requires GCC" +#elif __GNUC__ < 4 +# error "GCC3 with backported visibility patch is known to miscompile Qt" +#endif +EOF + + if [ "$VERBOSE" = "yes" ] ; then + "$COMPILER" -c -fvisibility=hidden fvisibility.c && FVISIBILITY_SUPPORT=yes + else + "$COMPILER" -c -fvisibility=hidden fvisibility.c >/dev/null 2>&1 && FVISIBILITY_SUPPORT=yes + fi + rm -f fvisibility.c fvisibility.o +} + +case "$COMPILER" in +aCC*) + ;; + +icpc) + ICPC_VERSION=`icpc -dumpversion` + case "$ICPC_VERSION" in + 8.*|9.*|10.0) + # 8.x, 9.x, and 10.0 don't support symbol visibility + ;; + *) + # the compile test works for the intel compiler because it mimics gcc's behavior + RunCompileTest + ;; + esac + ;; + + *) + RunCompileTest + ;; +esac + +# done +if [ "$FVISIBILITY_SUPPORT" != "yes" ]; then + [ "$VERBOSE" = "yes" ] && echo "Symbol visibility control disabled." + exit 0 +else + [ "$VERBOSE" = "yes" ] && echo "Symbol visibility control enabled." + exit 1 +fi |