X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=config%2Flyxinclude.m4;h=7bddfb09da05500ff6672dc5e548985c187a4740;hb=e8b1ec66fc0cf2f6c190d2e3c294630ebc2e12d0;hp=dc744972e760b57be5faf2f14b500e74a8b06bbb;hpb=ba13a832d6e12789e025618d7e5420e206a1201b;p=lyx.git diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4 index dc744972e7..7bddfb09da 100644 --- a/config/lyxinclude.m4 +++ b/config/lyxinclude.m4 @@ -133,7 +133,7 @@ done ])dnl -dnl Usage: LYX_PROG_CLANG: set lyx_cv_prog_clang to yes if the compiler is clang. +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], @@ -143,6 +143,134 @@ AC_DEFUN([LYX_PROG_CLANG], #endif ], [lyx_cv_prog_clang=yes ; CLANG=yes], [lyx_cv_prog_clang=no ; CLANG=no])]) +if test $CLANG = yes ; then + AC_CACHE_CHECK([for clang version], + [lyx_cv_clang_version], + [clang_noversion=no + AC_COMPUTE_INT(clang_major,__clang_major__,,[clang_noversion_=yes]) + AC_COMPUTE_INT(clang_minor,__clang_minor__,,[clang_noversion_=yes]) + AC_COMPUTE_INT(clang_patchlevel,__clang_patchlevel__,,[clang_noversion_=yes]) + if test $clang_noversion = yes ; then + clang_version=unknown + else + clang_version=$clang_major.$clang_minor.$clang_patchlevel + fi + lyx_cv_clang_version=$clang_version]) +fi +]) + + +dnl Usage: LYX_CXX_CXX11_FLAGS: add to AM_CXXFLAGS the best flag that +selects C++11 mode; gives an error when C++11 mode is not found. +AC_DEFUN([LYX_CXX_CXX11_FLAGS], +[AC_CACHE_CHECK([for at least C++11 mode], [lyx_cv_cxx11_flags], + [lyx_cv_cxx11_flags=none + for flag in -std=c++14 -std=c++11 "" -std=c++0x -std=gnu++14 -std=gnu++11 -std=gnu++0x ; do + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" + save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$flag $AM_CXXFLAGS $CXXFLAGS" + dnl sample openmp source code to test + AC_TRY_COMPILE([ + template + struct check + { + static_assert(sizeof(int) <= sizeof(T), "not big enough"); + }; + + typedef check> right_angle_brackets; + + class TestDeleted + { + public: + TestDeleted() = delete; + }; + + + int a; + decltype(a) b; + + typedef check check_type; + check_type c; + check_type&& cr = static_cast(c); + + auto d = a;], [], + [lyx_cv_cxx11_flags=$flag; break]) + CXXFLAGS=$save_CXXFLAGS + CPPFLAGS=$save_CPPFLAGS + done]) + if test $lyx_cv_cxx11_flags = none ; then + AC_ERROR([Cannot find suitable C++11 mode for compiler $CXX]) + fi + AM_CXXFLAGS="$lyx_cv_cxx11_flags $AM_CXXFLAGS" +]) + + +dnl Usage: LYX_CXX_USE_REGEX +dnl decide whether we want to use std::regex and set the +dnl LYX_USE_STD_REGEX macro and conditional accordingly. +AC_DEFUN([LYX_CXX_USE_REGEX], +[AC_ARG_ENABLE(std-regex, + AC_HELP_STRING([--enable-std-regex],[use std::regex instead of boost::regex (default is autodetected)]), + [lyx_std_regex=$enableval], + [AC_MSG_CHECKING([for correct regex implementation]) + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" + save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS" + # The following code snippet has been taken taken from example in + # http://stackoverflow.com/questions/8561850/compile-stdregex-iterator-with-gcc + AC_TRY_LINK( + [ + #include + #include + + #include + + typedef std::regex_iterator Myiter; + ], [ + const char *pat = "axayaz"; + Myiter::regex_type rx("a"); + Myiter next(pat, pat + strlen(pat), rx); + Myiter end; + ], [lyx_std_regex=yes], [lyx_std_regex=no]) + CXXFLAGS=$save_CXXFLAGS + CPPFLAGS=$save_CPPFLAGS + AC_MSG_RESULT([$lyx_std_regex]) + ]) + + if test $lyx_std_regex = yes ; then + lyx_flags="$lyx_flags std-regex" + AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex]) + fi + AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes) +]) + + +dnl Usage: LYX_CXX_USE_CALL_ONCE +dnl check whether we can use std::call_once and set the +dnl LYX_USE_STD_CALL_ONCE macro and conditional accordingly. +AC_DEFUN([LYX_CXX_USE_CALL_ONCE], +[AC_MSG_CHECKING([for std::call_once availability]) + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" + save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS" + AC_TRY_LINK( + [ + #include + static std::once_flag flag; + ], [ + std::call_once(flag, [](){ return; }); + ], [lyx_std_call_once=yes], [lyx_std_call_once=no]) + CXXFLAGS=$save_CXXFLAGS + CPPFLAGS=$save_CPPFLAGS + AC_MSG_RESULT([$lyx_std_call_once]) + + if test $lyx_std_call_once = yes ; then + AC_DEFINE([LYX_USE_STD_CALL_ONCE], 1, [define to 1 if std::call_once is supported by the compiler]) + fi + AM_CONDITIONAL([LYX_USE_STD_CALL_ONCE], test $lyx_std_call_once = yes) ]) @@ -159,15 +287,6 @@ AC_DEFUN([LYX_LIB_STDCXX], ]) -dnl Usage: LYX_CXX_USE_CXX11(STD): pass option -std=STD to the C++ compiler -dnl and define LYX_USE_CXX11. -AC_DEFUN([LYX_CXX_USE_CXX11], -[lyx_flags="$lyx_flags c++11-mode" - AM_CXXFLAGS="$AM_CXXFLAGS -std=$1" - AC_DEFINE([LYX_USE_CXX11], 1, [Define if LyX should use C++11 features]) -]) - - 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], @@ -188,8 +307,11 @@ AC_REQUIRE([AC_PROG_CXXCPP]) AC_LANG_PUSH(C++) LYX_PROG_CLANG +LYX_CXX_CXX11_FLAGS LYX_LIB_STDCXX LYX_LIB_STDCXX_CXX11_ABI +LYX_CXX_USE_REGEX +LYX_CXX_USE_CALL_ONCE AC_LANG_POP(C++) if test $lyx_cv_lib_stdcxx = "yes" ; then @@ -228,15 +350,6 @@ AC_ARG_ENABLE(stdlib-debug, [enable_stdlib_debug=no])] ) -AC_ARG_ENABLE(concept-checks, - AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),, - [AS_CASE([$build_type], [dev*|pre*], [enable_concept_checks=yes], - [enable_concept_checks=no])] - if test x$USE_QT5 = xyes ; then - enable_concept_checks=no - fi -) - ### set up optimization AC_ARG_ENABLE(optimization, AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),, @@ -252,15 +365,6 @@ case $enable_optimization in *) lyx_optim=${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_ARG_ENABLE(assertions, AC_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),, [AS_CASE([$build_type], [dev*|pre*], [enable_assertions=yes], @@ -273,7 +377,6 @@ if test "x$enable_assertions" = xyes ; then fi # set the compiler options correctly. -lyx_std_regex=no if test x$GXX = xyes; then dnl clang++ pretends to be g++ 4.2.1; this is not useful if test x$CLANG = xno; then @@ -281,10 +384,11 @@ if test x$GXX = xyes; then gxx_version=`${CXX} -dumpversion` CXX_VERSION="($gxx_version)" else - gxx_version=clang + gxx_version=clang-$clang_version + CXX_VERSION="($clang_version)" fi - AM_CXXFLAGS="$lyx_optim" + AM_CXXFLAGS="$lyx_optim $AM_CXXFLAGS" if test x$enable_debug = xyes ; then AM_CXXFLAGS="-g $AM_CXXFLAGS" fi @@ -301,18 +405,11 @@ if test x$GXX = xyes; then fi dnl Warnings are for preprocessor too if test x$enable_warnings = xyes ; then - case $gxx_version in - 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*|clang) - AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra" - ;; - *) - AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra -Wfloat-conversion" - ;; - esac + AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra" fi case $gxx_version in - 2.*|3.*) AC_ERROR([gcc 4.x is required]);; - *) test $enable_pch = yes && lyx_pch_comp=yes ;; + 2.*|3.*) AC_ERROR([gcc >= 4.6 is required]);; + 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*) AC_ERROR([gcc >= 4.6 is required]);; esac if test x$enable_stdlib_debug = xyes ; then dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0 @@ -325,50 +422,21 @@ if test x$GXX = xyes; then ;; esac fi - if test x$enable_concept_checks = xyes ; then - case $gxx_version in - 4.*) - lyx_flags="$lyx_flags concept-checks" - dnl FIXME check whether this makes sense with clang/libc++ - AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking]) - ;; - esac - fi - if test x$enable_cxx11 = xyes ; then +fi + +# Some additional flags may be needed +if test x$GXX = xyes; then case $gxx_version in - 4.0*|4.1*|4.2*) AC_ERROR([There is no C++11 support in gcc 4.2 or older]);; - 4.3*|4.4*|4.5*|4.6*) - LYX_CXX_USE_CXX11(gnu++0x);; - clang) - dnl presumably all clang version support c++11. - dnl the deprecated-register warning is very annoying with Qt4.x right now. - LYX_CXX_USE_CXX11(c++11 -Wno-deprecated-register);; - *) - LYX_CXX_USE_CXX11(gnu++11);; + clang-3.0*|clang-3.1*|clang-3.2*|clang-3.3*) + dnl boost contains pragmas that are annoying on older clang versions + AM_CPPFLAGS="-Wno-unknown-pragmas $AM_CPPFLAGS";; + clang*) + dnl the more recent versions support the deprecated-register warning, + dnl which is very annoying with Qt4.x right now. + AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-register";; esac - 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 $gxx_version in - 4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) ;; - *) lyx_flags="$lyx_flags stdregex" - lyx_std_regex=yes - ;; - esac - else - lyx_flags="$lyx_flags stdregex" - lyx_std_regex=yes - fi - - if test $lyx_std_regex = yes ; then - AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex]) - fi - fi fi -AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes) -test "$lyx_pch_comp" = yes && lyx_flags="$lyx_flags pch" -AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes) -])dnl +]) dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should dnl be used. @@ -381,38 +449,52 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[ AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes) AC_MSG_RESULT([$lyx_cv_with_included_boost]) if test x$lyx_cv_with_included_boost = xyes ; then - BOOST_INCLUDES='-I$(top_srcdir)/boost' - BOOST_LIBS='$(top_builddir)/boost/liblyxboost.a' + BOOST_INCLUDES='-I$(top_srcdir)/3rdparty/boost' + if test $lyx_std_regex = yes ; then + BOOST_LIBS="" + else + BOOST_LIBS='$(top_builddir)/3rdparty/boost/liblyxboost.a' + fi else - AC_LANG_PUSH(C++) - save_LIBS=$LIBS - - AC_MSG_CHECKING([for multithreaded boost libraries]) - LIBS="$save_LIBS -lboost_signals-mt $LIBTHREAD" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM([#include ], - [boost::signal s;])], + BOOST_INCLUDES= + if test $lyx_std_regex = yes ; then + BOOST_LIBS="" + else + AC_LANG_PUSH(C++) + save_LIBS=$LIBS + + AC_MSG_CHECKING([for multithreaded boost libraries]) + LIBS="$save_LIBS -lboost_regex-mt $LIBTHREAD" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include ], + [boost::regex reg;])], [AC_MSG_RESULT([yes]) BOOST_MT="-mt"], [AC_MSG_RESULT([no]) AC_MSG_CHECKING([for plain boost libraries]) - LIBS="$save_LIBS -lboost_signals" + LIBS="$save_LIBS -lboost_regex" AC_LINK_IFELSE( - [AC_LANG_PROGRAM([#include ], - [boost::signal s;])], + [AC_LANG_PROGRAM([#include ], + [boost::regex reg;])], [AC_MSG_RESULT([yes]) BOOST_MT=""], [AC_MSG_RESULT([no]) AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)]) ]) - ]) - LIBS=$save_LIBS - AC_LANG_POP(C++) - BOOST_INCLUDES= - if test $lyx_std_regex = yes ; then - BOOST_LIBS="-lboost_signals${BOOST_MT}" - else - BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}" + ]) + LIBS=$save_LIBS + AC_LANG_POP(C++) + + 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 $enable_stdlib_debug = "yes" ; then + LYX_WARNING([Compiling LyX with stdlib-debug and system boost libraries may lead to + crashes. Consider using --disable-stdlib-debug or removing + --without-included-boost.]) + fi + + BOOST_LIBS="-lboost_regex${BOOST_MT}" fi fi AC_SUBST(BOOST_INCLUDES) @@ -420,6 +502,100 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[ ]) +dnl Usage: LYX_USE_INCLUDED_ICONV : select if the included iconv should +dnl be used. +AC_DEFUN([LYX_USE_INCLUDED_ICONV],[ + AC_MSG_CHECKING([whether to use included iconv library]) + AC_ARG_WITH(included-iconv, + [AC_HELP_STRING([--without-included-iconv], [do not use the iconv lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])], + [lyx_cv_with_included_iconv=$withval], + [lyx_cv_with_included_iconv=no]) + AM_CONDITIONAL(USE_INCLUDED_ICONV, test x$lyx_cv_with_included_iconv = xyes) + AC_MSG_RESULT([$lyx_cv_with_included_iconv]) + if test x$lyx_cv_with_included_iconv = xyes ; then +dnl Some bits from libiconv configure.ac to avoid a nested configure call: + AC_EILSEQ + AC_TYPE_MBSTATE_T + AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale]) +dnl Ymbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see 3rdparty/libiconv/1.14/lib/loop_wchar.h. + if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then + USE_MBSTATE_T=1 + else + USE_MBSTATE_T=0 + fi + AC_SUBST([USE_MBSTATE_T]) + AC_CACHE_CHECK([whether is standalone], + [gl_cv_header_wchar_h_standalone], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + wchar_t w;]], + [[]])], + [gl_cv_header_wchar_h_standalone=yes], + [gl_cv_header_wchar_h_standalone=no])]) + if test $gl_cv_header_wchar_h_standalone = yes; then + BROKEN_WCHAR_H=0 + else + BROKEN_WCHAR_H=1 + fi + AC_SUBST([BROKEN_WCHAR_H]) +dnl we want const correctness + AC_DEFINE_UNQUOTED([ICONV_CONST], [const], + [Define as const if the declaration of iconv() needs const.]) + ICONV_CONST=const + AC_SUBST([ICONV_CONST]) +dnl we build a static lib + DLL_VARIABLE= + AC_SUBST([DLL_VARIABLE]) + ICONV_INCLUDES='-I$(top_srcdir)/3rdparty/libiconv/1.14 -I$(top_builddir)/3rdparty/libiconv' + ICONV_LIBS='\$(top_builddir)/3rdparty/libiconv/liblyxiconv.a' + ICONV_ICONV_H_IN=3rdparty/libiconv/iconv.h:3rdparty/libiconv/1.14/include/iconv.h.in + else + ICONV_INCLUDES= + AM_ICONV + if test "$am_cv_func_iconv" = no; then + AC_MSG_ERROR([cannot find required library iconv.]) + else + ICONV_LIBS="$LIBICONV" + fi + ICONV_ICONV_H_IN= + fi + AC_SUBST(ICONV_INCLUDES) + AC_SUBST(ICONV_LIBS) + AC_SUBST(ICONV_ICONV_H_IN) +]) + + +dnl Usage: LYX_USE_INCLUDED_ZLIB : select if the included zlib should +dnl be used. +AC_DEFUN([LYX_USE_INCLUDED_ZLIB],[ + AC_MSG_CHECKING([whether to use included zlib library]) + AC_ARG_WITH(included-zlib, + [AC_HELP_STRING([--without-included-zlib], [do not use the zlib lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])], + [lyx_cv_with_included_zlib=$withval], + [lyx_cv_with_included_zlib=no]) + AM_CONDITIONAL(USE_INCLUDED_ZLIB, test x$lyx_cv_with_included_zlib = xyes) + AC_MSG_RESULT([$lyx_cv_with_included_zlib]) + if test x$lyx_cv_with_included_zlib = xyes ; then + ZLIB_INCLUDES='-I$(top_srcdir)/3rdparty/zlib/1.2.8 -I$(top_builddir)/3rdparty/zlib' + ZLIB_LIBS='$(top_builddir)/3rdparty/zlib/liblyxzlib.a' + mkdir -p 3rdparty/zlib +dnl include standard config.h for HAVE_UNISTD_H + echo "#include <../../config.h>" > 3rdparty/zlib/zconf.h +dnl prevent clash with system zlib that might be dragged in by other libs + echo "#define Z_PREFIX 1" >> 3rdparty/zlib/zconf.h + cat "${srcdir}/3rdparty/zlib/1.2.8/zconf.h.in" >> 3rdparty/zlib/zconf.h + else + ZLIB_INCLUDES= + AC_CHECK_HEADERS(zlib.h, + [AC_CHECK_LIB(z, gzopen, [ZLIB_LIBS="-lz"], LYX_LIB_ERROR(libz,zlib))], + [LYX_LIB_ERROR(zlib.h,zlib)]) + fi + AC_SUBST(ZLIB_INCLUDES) + AC_SUBST(ZLIB_LIBS) +]) + + dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the dnl necessary APIs are available to print callstacks. AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING], @@ -566,7 +742,8 @@ AC_ARG_WITH(packaging, [lyx_use_packaging="$withval"], [ case $host in *-apple-darwin*) lyx_use_packaging=macosx ;; - *-pc-mingw32*) lyx_use_packaging=windows ;; + *-pc-mingw*) lyx_use_packaging=windows ;; + *-mingw32*) lyx_use_packaging=windows ;; *haiku*) lyx_use_packaging=haiku ;; *) lyx_use_packaging=posix ;; esac]) @@ -702,9 +879,17 @@ dnl Defines HAVE_DEF_{NAME} AC_DEFUN([LYX_CHECK_DEF], [LYX_AH_CHECK_DEF($1, $2) AC_MSG_CHECKING([whether $1 is defined by header $2]) + save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS" + save_CXXFLAGS=$CXXFLAGS + CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS" + AC_LANG_PUSH(C++) AC_TRY_COMPILE([#include <$2>], [$3], lyx_have_def_name=yes, lyx_have_def_name=no) + AC_LANG_POP(C++) + CXXFLAGS=$save_CXXFLAGS + CPPFLAGS=$save_CPPFLAGS AC_MSG_RESULT($lyx_have_def_name) if test "x$lyx_have_def_name" = xyes; then AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))