# vim:ts=4 # # Copyright (c) 2002-2012 Hypertriton, Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE # USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. sub Test { # Look for a C++ compiler. # XXX duplicated code between cc/cxx print << 'EOF'; if [ "$CXX" = "" ]; then for i in `echo $PATH |sed 's/:/ /g'`; do if [ -x "${i}/cxx" ]; then if [ -f "${i}/cxx" ]; then CXX="${i}/cxx" break fi elif [ -x "${i}/gcc" ]; then if [ -f "${i}/gcc" ]; then CXX="${i}/gcc" break fi fi done if [ "$CXX" = "" ]; then echo "*" echo "* Unable to find a standard C++ compiler in PATH. You may need" echo "* to set the CXX environment variable." echo "*" echo "Unable to find a C compiler in PATH." >> config.log HAVE_CXX="no" echo "no" else HAVE_CXX="yes" echo "yes, ${CXX}" echo "yes, ${CXX}" >> config.log fi else echo "using ${CXX}" fi if [ "${HAVE_CXX}" = "yes" ]; then $ECHO_N "checking whether the C++ compiler works..." $ECHO_N "checking whether the C++ compiler works..." >> config.log cat << 'EOT' > conftest.cc #include int main(void) { std::cout << "Hello world!" << std::endl; return 0; } EOT $CXX -o conftest conftest.cc -lstdc++ 2>>config.log if [ $? != 0 ]; then echo "no" echo "no (test failed to compile)" >> config.log HAVE_CXX="no" else echo "yes" echo "yes" >> config.log HAVE_CXX="yes" fi if [ "${HAVE_CXX}" = "yes" ]; then if [ "${EXECSUFFIX}" = "" ]; then EXECSUFFIX="" for OUTFILE in conftest.exe conftest conftest.*; do if [ -f $OUTFILE ]; then case $OUTFILE in *.c | *.cc | *.m | *.o | *.obj | *.bb | *.bbg | *.d | *.pdb | *.tds | *.xcoff | *.dSYM | *.xSYM ) ;; *.* ) EXECSUFFIX=`expr "$OUTFILE" : '[^.]*\(\..*\)'` break ;; * ) break ;; esac; fi done if [ "$EXECSUFFIX" != "" ]; then echo "Detected executable suffix: $EXECSUFFIX" >> config.log fi EOF MkSaveMK('EXECSUFFIX'); MkSaveDefine('EXECSUFFIX'); print << 'EOF'; fi fi rm -f conftest.cc conftest$EXECSUFFIX TEST_CXXFLAGS="" fi EOF MkIfTrue('${HAVE_CXX}'); MkPrintN('checking for c++ compiler warning options...'); MkCompileCXX('HAVE_CXX_WARNINGS', '-Wall -Werror', '-lstdc++', << 'EOF'); int main(void) { return (0); } EOF MkIfTrue('${HAVE_CXX_WARNINGS}'); MkDefine('TEST_CXXFLAGS', '-Wall -Werror'); MkEndif; # Check for long double type. MkPrintN('checking for long double...'); TryCompile('HAVE_LONG_DOUBLE', << 'EOF'); int main(void) { long double ld = 0.1; ld = 0; return (0); } EOF # Check for long long type. MkPrintN('checking for long long...'); TryCompile('HAVE_LONG_LONG', << 'EOF'); int main(void) { long long ll = 0.0; unsigned long long ull = 0.0; ll = 1.0; ull = 1.0; return (0); } EOF MkPrintN('checking for cygwin environment...'); TryCompileFlagsCXX('HAVE_CYGWIN', '-mcygwin', << 'EOF'); #include #include #include int main(void) { struct stat sb; DWORD rv; rv = GetFileAttributes("foo"); stat("foo", &sb); return (0); } EOF MkPrintN('checking for libtool --tag=CXX retardation...'); print 'cat << EOT > conftest.cc', "\n"; print << 'EOF'; #include int main(void) { std::cout << "Hello world!" << std::endl; return 0; } EOT EOF print << "EOF"; \$LIBTOOL --quiet --mode=compile --tag=CXX \$CXX \$CXXFLAGS \$TEST_CXXFLAGS -o \$testdir/conftest.o conftest.cc 2>>config.log EOF MkIf('"$?" = "0"'); MkPrint('yes'); MkDefine('LIBTOOLOPTS_CXX', '--tag=CXX'); MkElse; MkPrint('no'); MkEndif; MkSaveMK('LIBTOOLOPTS_CXX'); print 'rm -f conftest.cc $testdir/conftest$EXECSUFFIX', "\n"; # Preserve ${CXX} and ${CXXFLAGS} MkSaveMK('CXX', 'CXXFLAGS'); MkEndif; # HAVE_CXX } sub Emul { my ($os, $osrel, $machine) = @_; MkDefine('HAVE_IEEE754', 'yes'); MkSaveDefine('HAVE_IEEE754'); MkSaveUndef('HAVE_LONG_DOUBLE'); MkSaveUndef('HAVE_LONG_LONG'); MkSaveUndef('HAVE_CYGWIN'); return (1); } BEGIN { $TESTS{'cxx'} = \&Test; $EMUL{'cxx'} = \&Emul; $DESCR{'cxx'} = 'a C++ compiler'; } ;1