X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=config%2Flyxinclude.m4;h=30697d7352d9a141de819747ab545b698b3201d4;hb=6df72ef648b38ff858f24b6d10b3d1326f4cb0ca;hp=c781c1e57403a0cc1010669ecc074150bc4f2b3a;hpb=8ecb96c09a2c605ba0c18d0c3ad1030d5a8b77cd;p=lyx.git diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4 index c781c1e574..30697d7352 100644 --- a/config/lyxinclude.m4 +++ b/config/lyxinclude.m4 @@ -39,16 +39,6 @@ esac AC_SUBST(lyx_devel_version) ]) -dnl If LyX is compiled from a git clone, find the HEAD commit hash -dnl -dnl -AC_DEFUN([LYX_CHECK_GIT_COMMIT], [ -AC_MSG_CHECKING([for git commit hash]) -lyxgitcommit=`cd "$srcdir" && git log -1 --pretty=format:%H 2>/dev/null || true` -test x$lyxgitcommit = x && lyxgitcommit="none" -AC_MSG_RESULT($lyxgitcommit) -]) - dnl Define the option to set a LyX version on installed executables and directories dnl @@ -72,6 +62,18 @@ AC_MSG_RESULT([$withval]) ]) +dnl Check whether to configure for Qt5. Default is Qt4. +dnl +AC_DEFUN([LYX_CHECK_QT5],[ +AC_MSG_CHECKING([whether Qt5 is requested]) +AC_ARG_ENABLE([qt5], + [ --enable-qt5 use Qt5 for building], + USE_QT5=$enableval, USE_QT5=no) +AC_MSG_RESULT([$USE_QT5]) +AC_SUBST([USE_QT5]) +]) + + dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the dnl flag lyx_warning to yes. AC_DEFUN([LYX_WARNING],[ @@ -89,7 +91,7 @@ AC_MSG_ERROR([cannot find $1. Please check that the $2 library dnl Usage: LYX_CHECK_WARNINGS Displays a warning message if a LYX_WARNING -dnl has occured previously. +dnl has occurred previously. AC_DEFUN([LYX_CHECK_WARNINGS],[ if test x$lyx_warning = xyes; then cat <conftest.C <&5 || CXX= -rm -f conftest.C conftest.o conftest.obj || true +dnl Usage: LYX_PROG_CLANG: set CLANG to yes if the compiler is clang. +AC_DEFUN([LYX_PROG_CLANG], +[AC_CACHE_CHECK([whether the compiler is clang], + [lyx_cv_prog_clang], +[AC_TRY_COMPILE([], [ +#ifndef __clang__ + this is not clang +#endif +], +[lyx_cv_prog_clang=yes ; CLANG=yes], [lyx_cv_prog_clang=no ; CLANG=no])]) ]) -AC_DEFUN([LYX_PROG_CXX], -[AC_MSG_CHECKING([for a good enough C++ compiler]) -LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS]) +dnl Usage: LYX_CXX_CXX11: set lyx_use_cxx11 to yes if the compiler implements +dnl the C++11 standard. +AC_DEFUN([LYX_CXX_CXX11], +[AC_CACHE_CHECK([whether the compiler implements C++11], + [lyx_cv_cxx_cxx11], + [save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS" + AC_LANG_PUSH(C++) + AC_TRY_COMPILE([], [ +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) + this is a c++11 compiler +#endif + ], + [lyx_cv_cxx_cxx11=no], [lyx_cv_cxx_cxx11=yes ; lyx_flags="$lyx_flags c++11"]) + AC_LANG_POP(C++) + CXXFLAGS=$save_CXXFLAGS]) +lyx_use_cxx11=$lyx_cv_cxx_cxx11 +]) -if test -z "$CXX" ; then - AC_MSG_ERROR([Unable to find a good enough C++ compiler]) -fi -AC_MSG_RESULT($CXX) -AC_PROG_CXX -AC_PROG_CXXCPP +dnl Usage: LYX_LIB_STDCXX: set lyx_cv_lib_stdcxx to yes if the STL library is libstdc++. +AC_DEFUN([LYX_LIB_STDCXX], +[AC_CACHE_CHECK([whether STL is libstdc++], + [lyx_cv_lib_stdcxx], +[AC_TRY_COMPILE([#include], [ +#if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__) + this is not libstdc++ +#endif +], +[lyx_cv_lib_stdcxx=yes], [lyx_cv_lib_stdcxx=no])]) +]) + + +dnl Usage: LYX_LIB_STDCXX_CXX11_ABI: set lyx_cv_lib_stdcxx_cxx11_abi to yes +dnl if the STL library is GNU libstdc++ and the C++11 ABI is used. +AC_DEFUN([LYX_LIB_STDCXX_CXX11_ABI], +[AC_CACHE_CHECK([whether STL is libstdc++ using the C++11 ABI], + [lyx_cv_lib_stdcxx_cxx11_abi], +[AC_TRY_COMPILE([#include], [ +#if ! defined(_GLIBCXX_USE_CXX11_ABI) || ! _GLIBCXX_USE_CXX11_ABI + this is not libstdc++ using the C++11 ABI +#endif +], +[lyx_cv_lib_stdcxx_cxx11_abi=yes], [lyx_cv_lib_stdcxx_cxx11_abi=no])]) +]) + + +AC_DEFUN([LYX_PROG_CXX], +[AC_REQUIRE([AC_PROG_CXX]) +AC_REQUIRE([AC_PROG_CXXCPP]) + +AC_LANG_PUSH(C++) +LYX_PROG_CLANG +LYX_LIB_STDCXX +LYX_LIB_STDCXX_CXX11_ABI +AC_LANG_POP(C++) + +if test $lyx_cv_lib_stdcxx = "yes" ; then + if test $lyx_cv_lib_stdcxx_cxx11_abi = "yes" ; then + AC_DEFINE(USE_GLIBCXX_CXX11_ABI, 1, [use GNU libstdc++ with C++11 ABI]) + else + AC_DEFINE(STD_STRING_USES_COW, 1, [std::string uses copy-on-write]) + fi +else + if test $lyx_cv_prog_clang = "yes" ; then + AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++]) + fi +fi ### We might want to get or shut warnings. AC_ARG_ENABLE(warnings, @@ -187,12 +239,6 @@ AC_ARG_ENABLE(stdlib-debug, [enable_stdlib_debug=no])] ) -AC_ARG_ENABLE(concept-checks, - AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),, - [AS_CASE([$build_type], [dev*|pre*], [enable_concept_checks=yes], - [enable_concept_checks=no])] -) - ### set up optimization AC_ARG_ENABLE(optimization, AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),, @@ -200,22 +246,17 @@ AC_ARG_ENABLE(optimization, case $enable_optimization in yes) if test $lyx_devel_version = yes ; then - lyx_opt=-O + lyx_optim=-O else - lyx_opt=-O2 + lyx_optim=-O2 fi;; - no) lyx_opt=;; - *) lyx_opt=${enable_optimization};; + no) lyx_optim=;; + *) lyx_optim=${enable_optimization};; esac -AC_ARG_ENABLE(pch, - AC_HELP_STRING([--enable-pch],[enable precompiled headers]),, - enable_pch=no;) -lyx_pch_comp=no - AC_ARG_ENABLE(cxx11, - AC_HELP_STRING([--enable-cxx11],[enable C++11 mode]),, - enable_cxx11=no;) + AC_HELP_STRING([--disable-cxx11],[disable C++11 mode (default: enabled for known good compilers)]),, + enable_cxx11=auto;) AC_ARG_ENABLE(assertions, AC_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),, @@ -229,87 +270,97 @@ if test "x$enable_assertions" = xyes ; then fi # set the compiler options correctly. +lyx_std_regex=no if test x$GXX = xyes; then - dnl Useful for global version info - gxx_version=`${CXX} -dumpversion` - CXX_VERSION="($gxx_version)" - - if test "$ac_test_CXXFLAGS" = set; then - CXXFLAGS="$ac_save_CXXFLAGS" + dnl clang++ pretends to be g++ 4.2.1; this is not useful + if test x$CLANG = xno; then + dnl Useful for global version info + gxx_version=`${CXX} -dumpversion` + CXX_VERSION="($gxx_version)" else - CFLAGS="$lyx_opt" - CXXFLAGS="$lyx_opt" - if test x$enable_debug = xyes ; then - CFLAGS="-g $CFLAGS" - CXXFLAGS="-g $CXXFLAGS" - fi - if test $build_type = gprof ; then - CFLAGS="-pg $CFLAGS" - CXXFLAGS="-pg $CXXFLAGS" - LDFLAGS="-pg $LDFLAGS" - fi - if test $build_type = profiling ; then - CFLAGS="$CFLAGS -fno-omit-frame-pointer" - CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer" - fi + gxx_version=clang fi - if test "$ac_env_CPPFLAGS_set" != set; then - if test x$enable_warnings = xyes ; then - case $gxx_version in - 3.1*|3.2*|3.3*) - CPPFLAGS="-W -Wall $CPPFLAGS" - ;; - *) - CPPFLAGS="-Wextra -Wall $CPPFLAGS " - ;; - esac - fi + + AM_CXXFLAGS="$lyx_optim" + if test x$enable_debug = xyes ; then + AM_CXXFLAGS="-g $AM_CXXFLAGS" + fi + if test $build_type = gprof ; then + AM_CXXFLAGS="$AM_CXXFLAGS -pg" + AM_LDFLAGS="$AM_LDFLAGS -pg" + fi + if test $build_type = profiling ; then + AM_CXXFLAGS="$AM_CXXFLAGS -fno-omit-frame-pointer" + fi + + if test x$USE_QT5 = xyes ; then + AS_CASE([$host], [*mingw*|*cygwin*], [], [AM_CXXFLAGS="-fPIC $AM_CXXFLAGS"]) + fi + dnl Warnings are for preprocessor too + if test x$enable_warnings = xyes ; then + AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra -Wno-deprecated-declarations" fi case $gxx_version in - 3.1*) AM_CXXFLAGS="-finline-limit=500 ";; - 3.2*|3.3*) AM_CXXFLAGS="";; - 3.4*|4.*) - AM_CXXFLAGS="" - test $enable_pch = yes && lyx_pch_comp=yes - ;; - *) AM_CXXFLAGS="";; + 2.*|3.*) AC_ERROR([gcc 4.x is required]);; esac if test x$enable_stdlib_debug = xyes ; then + dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0 + dnl See http://clang-developers.42468.n3.nabble.com/libc-debug-mode-td3336742.html case $gxx_version in - 3.4*|4.*) + *) lyx_flags="$lyx_flags stdlib-debug" AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode]) AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode]) ;; esac fi - if test x$enable_concept_checks = xyes ; then + dnl enable_cxx11 can be yes/no/auto. + dnl By default, it is auto and we enable C++11 when possible + if test x$enable_cxx11 != xno ; then case $gxx_version in - 3.3*) - lyx_flags="$lyx_flags concept-checks" - AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking]) - ;; - 3.4*|4.*) - lyx_flags="$lyx_flags concept-checks" - AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking]) - ;; + 4.0*|4.1*|4.2*) + if x$enable_cxx11 = xyes; then + AC_ERROR([There is no C++11 support in gcc 4.2 or older]) + fi;; + 4.3*|4.4*|4.5*|4.6*) + dnl Note that this will define __GXX_EXPERIMENTAL_CXX0X__. + dnl The source code relies on that. + AM_CXXFLAGS="$AM_CXXFLAGS -std=c++0x";; + clang) + dnl presumably all clang version support c++11. + dnl the deprecated-register warning is very annoying with Qt4.x right now. + AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11 -Wno-deprecated-register";; + *) + AS_CASE([$host], [*cygwin*], + [AM_CXXFLAGS="$AM_CXXFLAGS -std=gnu++11"], + [AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11"]);; esac fi - if test x$enable_cxx11 = xyes ; then + + LYX_CXX_CXX11 + if test $lyx_use_cxx11 = yes ; then + AC_CHECK_HEADER([regex], [lyx_std_regex=yes], [lyx_std_regex=no]) + if test x$CLANG = xno || test $lyx_cv_lib_stdcxx = yes; then + dnl in gcc is unusable in versions less than 4.9.0 + dnl see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631 case $gxx_version in - 4.3*|4.4*|4.5*|4.6*) - lyx_flags="$lyx_flags c++11-mode" - CXXFLAGS="-std=gnu++0x $CXXFLAGS" - ;; - 4.7*|4.8*) - lyx_flags="$lyx_flags c++11-mode" - CXXFLAGS="-std=gnu++11 $CXXFLAGS" - ;; + 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) ;; + *) lyx_std_regex=yes ;; esac + else + lyx_std_regex=yes + fi fi +else + dnl This is not gcc, not sure what setup we can do + AC_CHECK_HEADER([regex], [lyx_std_regex=yes], [lyx_std_regex=no]) +fi + +if test $lyx_std_regex = yes ; then + lyx_flags="$lyx_flags stdregex" + AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex]) fi -test "$lyx_pch_comp" = yes && lyx_flags="$lyx_flags pch" -AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes) +AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes) ])dnl dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should @@ -330,7 +381,7 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[ save_LIBS=$LIBS AC_MSG_CHECKING([for multithreaded boost libraries]) - LIBS="$save_LIBS -lboost_signals-mt -lm $LIBTHREAD" + LIBS="$save_LIBS -lboost_signals-mt $LIBTHREAD" AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ], [boost::signal s;])], @@ -338,7 +389,7 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[ BOOST_MT="-mt"], [AC_MSG_RESULT([no]) AC_MSG_CHECKING([for plain boost libraries]) - LIBS="$save_LIBS -lboost_signals -lm" + LIBS="$save_LIBS -lboost_signals" AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ], [boost::signal s;])], @@ -351,13 +402,49 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[ LIBS=$save_LIBS AC_LANG_POP(C++) BOOST_INCLUDES= - BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}" + if test $lyx_std_regex = yes ; then + BOOST_LIBS="-lboost_signals${BOOST_MT}" + else + BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}" + fi + + dnl In general, system boost libraries are incompatible with + dnl the use of stdlib-debug in libstdc++. See ticket #9736 for + dnl details. + if test $enable_stdlib_debug = "yes" ; then + LYX_WARNING([Compiling LyX with stdlib-debug and system boost libraries may lead to + crashes. Consider using --disable-stdlib-debug or removing + --without-included-boost.]) + fi fi AC_SUBST(BOOST_INCLUDES) AC_SUBST(BOOST_LIBS) ]) +dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the +dnl necessary APIs are available to print callstacks. +AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING], +[AC_CACHE_CHECK([whether printing callstack is possible], + [lyx_cv_callstack_printing], +[AC_TRY_COMPILE([ +#include +#include +], [ + void* array[200]; + size_t size = backtrace(array, 200); + backtrace_symbols(array, size); + int status = 0; + abi::__cxa_demangle("abcd", 0, 0, &status); +], +[lyx_cv_callstack_printing=yes], [lyx_cv_callstack_printing=no])]) +if test x"$lyx_cv_callstack_printing" = xyes; then + AC_DEFINE([LYX_CALLSTACK_PRINTING], 1, + [Define if callstack can be printed]) +fi +]) + + dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should dnl be used. AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[ @@ -374,9 +461,9 @@ AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[ if test x$ac_cv_header_mythes_h != xyes; then AC_CHECK_HEADER(mythes/mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location=""]) fi - AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no], [-lm]) + AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no]) if test x$lyx_mythes != xyes; then - AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no], [-lm]) + AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no]) fi AC_LANG_POP(C++) if test x$lyx_mythes != xyes -o x$ac_cv_header_mythes_h != xyes; then @@ -477,12 +564,13 @@ AC_DEFUN([LYX_USE_PACKAGING], [AC_MSG_CHECKING([what packaging should be used]) AC_ARG_WITH(packaging, [AC_HELP_STRING([--with-packaging=THIS], [use THIS packaging for installation: - Possible values: posix, windows, macosx])], + Possible values: posix, windows, macosx, haiku])], [lyx_use_packaging="$withval"], [ case $host in *-apple-darwin*) lyx_use_packaging=macosx ;; - *-pc-mingw32*) lyx_use_packaging=windows;; - *) lyx_use_packaging=posix;; + *-pc-mingw32*) lyx_use_packaging=windows ;; + *haiku*) lyx_use_packaging=haiku ;; + *) lyx_use_packaging=posix ;; esac]) AC_MSG_RESULT($lyx_use_packaging) lyx_install_posix=false @@ -515,10 +603,16 @@ case $lyx_use_packaging in pkgdatadir='${datadir}/${PACKAGE}' default_prefix=$ac_default_prefix case ${host} in - *cygwin*) lyx_install_cygwin=true ;; - *apple-darwin*) lyx_install_macosx=true ;; + *cygwin*) lyx_install_cygwin=true ;; + *apple-darwin*) lyx_install_macosx=true ;; esac lyx_install_posix=true ;; + haiku) AC_DEFINE(USE_HAIKU_PACKAGING, 1, [Define to 1 if LyX should use a Haiku-style file layout]) + PACKAGE=lyx${version_suffix} + program_suffix=$version_suffix + pkgdatadir='${datadir}/${PACKAGE}' + default_prefix=$ac_default_prefix + lyx_install_posix=true ;; *) AC_MSG_ERROR([unknown packaging type $lyx_use_packaging.]) ;; esac AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)