38be0d1383
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74 lines
1.6 KiB
Bash
Executable File
74 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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FVISIBILITY_SUPPORT=no
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COMPILER=$1
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VERBOSE=$2
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CMDLINE=
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RunCompileTest() {
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cat >>fvisibility.c << EOF
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#if defined(__GNUC__)
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# if (__GNUC__ < 4)
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# error "GCC3 with backported visibility patch is known to miscompile Qt"
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# endif
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__attribute((visibility("default"))) void blah();
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#elif defined(__SUNPRO_CC)
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# if (__SUNPRO_CC < 0x0550)
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# error "SunStudio 8 or later is required for ELF visibility"
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# endif
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__global void blah();
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#else
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# error "GCC4+ or SunStudio 8+ are required to support ELF visibility"
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#endif
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EOF
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if [ "$VERBOSE" = "yes" ] ; then
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"$COMPILER" -c $CMDLINE fvisibility.c && FVISIBILITY_SUPPORT=yes
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else
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"$COMPILER" -c $CMDLINE fvisibility.c >/dev/null 2>&1 && FVISIBILITY_SUPPORT=yes
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fi
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rm -f fvisibility.c fvisibility.o
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}
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case "$COMPILER" in
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*g++*|*c++*)
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CMDLINE="-fvisibility=hidden"
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RunCompileTest
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;;
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aCC*)
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;;
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icpc)
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ICPC_VERSION=`icpc -dumpversion`
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case "$ICPC_VERSION" in
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8.*|9.*|10.0)
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# 8.x, 9.x, and 10.0 don't support symbol visibility
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;;
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*)
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# the compile test works for the intel compiler because it mimics gcc's behavior
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CMDLINE="-fvisibility=hidden"
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RunCompileTest
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;;
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esac
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;;
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CC)
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# This should be SunStudio. If not, it'll get caught.
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CMDLINE="-xldscope=hidden"
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RunCompileTest
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;;
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esac
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# done
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if [ "$FVISIBILITY_SUPPORT" != "yes" ]; then
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[ "$VERBOSE" = "yes" ] && echo "Symbol visibility control disabled."
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exit 0
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else
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[ "$VERBOSE" = "yes" ] && echo "Symbol visibility control enabled."
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exit 1
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fi
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