166 lines
4.2 KiB
Plaintext
166 lines
4.2 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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AC_INIT()
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#
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# check for some programs we use
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#
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# save the CXXFLAGS specified by the user
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save_CXXFLAGS=$CXXFLAGS
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AC_PROG_CXX
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# restore the flags specified by the user and get rid of any flags
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# found by autoconf (we do not want -02 -g by default)
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CXXFLAGS=$save_CXXFLAGS
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CMAKE_NO_EXPLICIT_TEMPLATE_INSTANTIATION=""
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if test $ac_cv_prog_gxx = no; then
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echo $ac_n "checking whether ${CXX} supports explicit instantiation""... $ac_c" 1>&6
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echo 'template<class T>class x{};template class x<int>;' > conftest.cc
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if test -z "`${CXX} -c conftest.cc 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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else
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echo "$ac_t""no" 1>&6
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CMAKE_NO_EXPLICIT_TEMPLATE_INSTANTIATION="1"
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fi
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rm -f conftest*
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fi
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# if running on darwin no explicit template instantiations even though
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# syntax is supported.
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case $system in
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Darwin*)
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CMAKE_NO_EXPLICIT_TEMPLATE_INSTANTIATION="1"
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;;
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esac
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AC_SUBST(CMAKE_NO_EXPLICIT_TEMPLATE_INSTANTIATION)
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CMAKE_ANSI_CXXFLAGS=""
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# on hp use -Aa for ansi
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if test $ac_cv_prog_gxx = no; then
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case $system in
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IRIX-5* | IRIX-6* | IRIX64-6* | IRIX-64-6*)
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echo $ac_n "checking whether ${CXX} accepts -LANG:std""... $ac_c" 1>&6
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echo 'void f(){}' > conftest.c
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if test -z "`${CXX} -LANG:std -c conftest.c 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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CMAKE_ANSI_CXXFLAGS="-LANG:std"
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else
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echo "$ac_t""no" 1>&6
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fi
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rm -f conftest*
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;;
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esac
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fi
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AC_SUBST(CMAKE_ANSI_CXXFLAGS)
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# if we are not running g++ then we might need some other flags
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# to get the templates compiled correctly
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CMAKE_TEMPLATE_FLAGS=""
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if test $ac_cv_prog_gxx = no; then
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echo $ac_n "checking whether ${CXX} accepts -ptused -no_prelink""... $ac_c" 1>&6
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echo 'void f(){}' > conftest.cc
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if test -z "`${CXX} -ptused -no_prelink -c conftest.cc 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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CMAKE_TEMPLATE_FLAGS="-ptused -no_prelink"
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else
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echo "$ac_t""no" 1>&6
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fi
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rm -f conftest*
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fi
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AC_SUBST(CMAKE_TEMPLATE_FLAGS)
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# check no g++ compilers to see if they have the standard
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# ansi stream files (without the .h)
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if test $ac_cv_prog_gxx = no; then
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AC_MSG_CHECKING( ansi standard C++ stream headers )
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rm -rf conftest.*
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cat > conftest.cc <<!
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#include <iostream>
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!
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if test -z "`${CXX} ${CMAKE_ANSI_CXXFLAGS} $CXXFLAGS $CPPFLAGS -c conftest.cc 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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else
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CMAKE_NO_ANSI_STREAM_HEADERS="1"
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echo "$ac_t""no" 1>&6
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fi
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fi
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AC_SUBST(CMAKE_NO_ANSI_STREAM_HEADERS)
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# check to see if stl is in the std namespace
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if test $ac_cv_prog_gxx = no; then
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AC_MSG_CHECKING( ansi standard namespace support )
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rm -rf conftest.*
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cat > conftest.cc <<!
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#include <list>
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void foo() { std::list<int> l; }
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!
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if test -z "`${CXX} ${CMAKE_ANSI_CXXFLAGS} $CXXFLAGS $CPPFLAGS -c conftest.cc 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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else
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CMAKE_NO_STD_NAMESPACE="1"
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echo "$ac_t""no" 1>&6
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fi
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fi
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AC_SUBST(CMAKE_NO_STD_NAMESPACE)
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# check to see if for scoping is supported
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if test $ac_cv_prog_gxx = no; then
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AC_MSG_CHECKING( ansi for scope support )
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rm -rf conftest.*
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cat > conftest.cc <<!
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void foo() { for(int i;;); for(int i;;); }
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!
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if test -z "`${CXX} ${CMAKE_ANSI_CXXFLAGS} $CXXFLAGS $CPPFLAGS -c conftest.cc 2>&1`"; then
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echo "$ac_t""yes" 1>&6
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else
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CMAKE_NO_ANSI_FOR_SCOPE="1"
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echo "$ac_t""no" 1>&6
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fi
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fi
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AC_SUBST(CMAKE_NO_ANSI_FOR_SCOPE)
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# find make to use to build cmake, prefer gmake
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AC_PATH_PROGS(CMAKE_AR_TMP, ar)
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CMAKE_AR="$CMAKE_AR_TMP"
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CMAKE_AR_ARGS="cr"
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# if on SunOS and not using gXX then use the compiler to make .a libs
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case $system in
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SunOS-5*)
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if test $ac_cv_prog_gxx = yes; then
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:
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else
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echo "Using $CXX -xar -o for creating .a libraries"
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CMAKE_AR="$CXX"
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CMAKE_AR_ARGS="-xar -o"
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fi
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;;
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IRIX*)
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if test $ac_cv_prog_gxx = yes; then
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:
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else
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echo "Using $CXX -xar -o for creating .a libraries"
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CMAKE_AR="$CXX"
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CMAKE_AR_ARGS="-ar -o"
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fi
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;;
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esac
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AC_SUBST(CMAKE_AR)
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AC_SUBST(CMAKE_AR_ARGS)
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CMAKE_COMPILER_IS_GNUGXX=0
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if test $ac_cv_prog_gxx = yes; then
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CMAKE_COMPILER_IS_GNUCXX=1
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fi
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AC_SUBST(CMAKE_COMPILER_IS_GNUCXX)
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# generate output files.
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# create mkdir files just to make some of the directories
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AC_OUTPUT( CXXCMakeSystemConfig.cmake )
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