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lyx_mirror/development/cmake/ConfigureChecks.cmake

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CMake
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# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
#
# Copyright (c) 2006, Peter Kümmel, <syntheticpp@gmx.net>
#
include(CheckIncludeFile)
include(CheckIncludeFileCXX)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCXXSourceCompiles)
include(CheckCXXSourceRuns)
include(MacroBoolTo01)
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
#check_include_file_cxx(istream HAVE_ISTREAM)
#check_include_file_cxx(ostream HAVE_OSTREAM)
#check_include_file_cxx(sstream HAVE_SSTREAM)
#check_include_file_cxx(ios HAVE_IOS)
#check_include_file_cxx(locale HAVE_LOCALE)
# defines will be written to configIncludes.h
set(Include_Defines)
foreach(_h_file aspell.h aspell/aspell.h limits.h locale.h
stdlib.h sys/stat.h sys/time.h sys/types.h sys/utime.h
sys/socket.h unistd.h inttypes.h utime.h string.h argz.h xcb/xcb.h)
string(REGEX REPLACE "[/\\.]" "_" _hf ${_h_file})
string(TOUPPER ${_hf} _HF)
check_include_files(${_h_file} HAVE_${_HF})
set(Include_Defines "${Include_Defines}#cmakedefine HAVE_${_HF} 1\n")
endforeach()
check_include_file_cxx(regex HAVE_REGEX)
set(Include_Defines "${Include_Defines}#cmakedefine HAVE_REGEX 1\n")
configure_file(${LYX_CMAKE_DIR}/configIncludes.cmake ${TOP_BINARY_DIR}/configIncludes.h.cmake)
configure_file(${TOP_BINARY_DIR}/configIncludes.h.cmake ${TOP_BINARY_DIR}/configIncludes.h)
# defines will be written to configFunctions.h
set(Function_Defines)
foreach(_f alloca __argz_count __argz_next __argz_stringify
chmod close _close dcgettext fcntl fork __fsetlocking
getcwd getegid getgid getpid _getpid gettext getuid lstat lockf mempcpy mkdir _mkdir
mkfifo open _open pclose _pclose popen _popen putenv readlink
setenv setlocale strcasecmp stpcpy strdup strerror strtoul tsearch unsetenv wcslen)
string(TOUPPER ${_f} _UF)
check_function_exists(${_f} HAVE_${_UF})
set(Function_Defines "${Function_Defines}#cmakedefine HAVE_${_UF} 1\n")
endforeach()
configure_file(${LYX_CMAKE_DIR}/configFunctions.cmake ${TOP_BINARY_DIR}/configFunctions.h.cmake)
configure_file(${TOP_BINARY_DIR}/configFunctions.h.cmake ${TOP_BINARY_DIR}/configFunctions.h)
check_symbol_exists(alloca "malloc.h" HAVE_SYMBOL_ALLOCA)
check_symbol_exists(asprintf "stdio.h" HAVE_ASPRINTF)
check_symbol_exists(wprintf "stdio.h" HAVE_WPRINTF)
check_symbol_exists(snprintf "stdio.h" HAVE_SNPRINTF)
check_symbol_exists(printf "stdio.h" HAVE_POSIX_PRINTF)
check_symbol_exists(pid_t "sys/types.h" HAVE_PID_T)
check_symbol_exists(intmax_t "inttypes.h" HAVE_INTTYPES_H_WITH_UINTMAX)
check_symbol_exists(uintmax_t "stdint.h" HAVE_STDINT_H_WITH_UINTMAX)
check_symbol_exists(LC_MESSAGES "locale.h" HAVE_LC_MESSAGES)
check_symbol_exists(PATH_MAX "limits.h" HAVE_DEF_PATH_MAX)
check_type_size(intmax_t HAVE_INTMAX_T)
macro_bool_to_01(HAVE_UINTMAX_T HAVE_STDINT_H_WITH_UINTMAX)
check_type_size("long double" HAVE_LONG_DOUBLE)
check_type_size("long long" HAVE_LONG_LONG_INT)
check_type_size(wchar_t HAVE_WCHAR_T)
check_type_size(wint_t HAVE_WINT_T)
if(HUNSPELL_FOUND)
# check whether hunspell C++ (rather than C) ABI is provided
set(HunspellTestFile "${CMAKE_BINARY_DIR}/hunspelltest.cpp")
file(WRITE "${HunspellTestFile}"
"
#include <hunspell.hxx>
int main()
{
Hunspell sp(\"foo\", \"bar\");
int i = sp.stem(\"test\").size();
return(0);
}
"
)
# The trick with faking the link command (see the else block) does not work
# with XCode (350a9daf).
if(APPLE OR LYX_EXTERNAL_HUNSPELL)
try_compile(HAVE_HUNSPELL_CXXABI
"${CMAKE_BINARY_DIR}"
"${HunspellTestFile}"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${HUNSPELL_INCLUDE_DIR}"
LINK_LIBRARIES ${HUNSPELL_LIBRARY}
OUTPUT_VARIABLE LOG2)
else()
try_compile(HAVE_HUNSPELL_CXXABI
"${CMAKE_BINARY_DIR}"
"${HunspellTestFile}"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${HUNSPELL_INCLUDE_DIR}"
# At this point, ../lib/libhunspell.a has not been built so we
# cannot complete the linking.
"-DCMAKE_CXX_LINK_EXECUTABLE='${CMAKE_COMMAD} echo dummy (fake) link command since libhunspell.a not built yet.'"
OUTPUT_VARIABLE LOG2)
endif()
message(STATUS "HAVE_HUNSPELL_CXXABI = ${HAVE_HUNSPELL_CXXABI}")
#message(STATUS "LOG2 = ${LOG2}")
if(LYX_EXTERNAL_HUNSPELL AND (LYX_STDLIB_DEBUG OR LYX_DEBUG_GLIBC OR LYX_DEBUG_GLIBC_PEDANTIC) AND HAVE_HUNSPELL_CXXABI)
message(FATAL_ERROR "Compiling LyX with stdlib-debug and system hunspell libraries may lead to crashes. Consider using '-DLYX_STDLIB_DEBUG=OFF -DLYX_DEBUG_GLIBC=OFF -DLYX_DEBUG_GLIBC_PEDANTIC=OFF' or -DLYX_EXTERNAL_HUNSPELL=OFF.")
endif()
endif()
#check_cxx_source_compiles(
# "
# #include <algorithm>
# using std::count;
# int countChar(char * b, char * e, char const c)
# {
# return count(b, e, c);
# }
# int main(){return 0;}
# "
#HAVE_STD_COUNT)
#check_cxx_source_compiles(
# "
# #include <cctype>
# using std::tolower;
# int main(){return 0;}
# "
#CXX_GLOBAL_CSTD)
check_cxx_source_compiles(
"
#include <iconv.h>
// this declaration will fail when there already exists a non const char** version which returns size_t
double iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
int main() { return 0; }
"
HAVE_ICONV_CONST)
check_cxx_source_compiles(
"
int i[ ( sizeof(wchar_t)==2 ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_WCHAR_T_IS_2)
check_cxx_source_compiles(
"
int i[ ( sizeof(wchar_t)==4 ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_WCHAR_T_IS_4)
check_cxx_source_compiles(
"
int i[ ( sizeof(long long)>sizeof(long) ? 1 : -1 ) ];
int main(){return 0;}
"
SIZEOF_LONG_LONG_GREATER_THAN_SIZEOF_LONG)
if(LYX_DISABLE_CALLSTACK_PRINTING)
set(LYX_CALLSTACK_PRINTING OFF CACHE BOOL "Print callstack when crashing")
else()
check_cxx_source_compiles(
"
#include <execinfo.h>
#include <cxxabi.h>
int main() {
void* array[200];
size_t size = backtrace(array, 200);
backtrace_symbols(array, size);
int status = 0;
abi::__cxa_demangle(\"abcd\", 0, 0, &status);
}
"
LYX_CALLSTACK_PRINTING)
endif()
# Check whether STL is libstdc++
check_cxx_source_compiles(
"
#include <vector>
int main() {
#if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__)
this is not libstdc++
#endif
return(0);
}
"
lyx_cv_lib_stdcxx)
# Check whether STL is libstdc++ with C++11 ABI
check_cxx_source_compiles(
"
#include <vector>
int main() {
#if ! defined(_GLIBCXX_USE_CXX11_ABI) || ! _GLIBCXX_USE_CXX11_ABI
this is not libstdc++ using the C++11 ABI
#endif
return(0);
}
"
USE_GLIBCXX_CXX11_ABI)
check_cxx_source_compiles(
"
#ifndef __clang__
this is not clang
#endif
int main() {
return(0);
}
"
lyx_cv_prog_clang)
check_cxx_source_compiles(
"
#include <memory>
using std::make_unique;
int main() {
return(0);
}
"
HAVE_DEF_MAKE_UNIQUE)
check_cxx_source_compiles(
"
#include <mutex>
static std::once_flag flag;
int main() {
std::call_once(flag, [](){ return; });
return(0);
}
"
LYX_USE_STD_CALL_ONCE)
if (ENCHANT_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${ENCHANT_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${ENCHANT_LIBRARY})
# Check, whether enchant is version 2.x at least
check_cxx_source_compiles(
"
#include <enchant++.h>
enchant::Broker broker;
int main() {
return(0);
}
"
HAVE_ENCHANT2)
if (HAVE_ENCHANT2)
message(STATUS "ENCHANT2 found")
endif()
endif()
set(USE_LLVM_LIBCPP)
set(STD_STRING_USES_COW)
set(USE_GLIBCXX_CXX11_ABI)
if(lyx_cv_lib_stdcxx)
if(NOT USE_GLIBCXX_CXX11_ABI)
set(STD_STRING_USES_COW 1)
endif()
else()
if(lyx_cv_prog_clang)
# use libc++ provided by llvm instead of GNU libstdc++
set(USE_LLVM_LIBCPP 1)
endif()
endif()
set(HAVE_QT5_X11_EXTRAS)
set(HAVE_QT6_X11_EXTRAS)
if (LYX_USE_QT MATCHES "QT5|QT6")
if (LYX_USE_QT MATCHES "QT5")
set(QtVal Qt5)
else()
set(QtVal Qt6)
endif()
set(CMAKE_REQUIRED_INCLUDES ${${QtVal}Core_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS)
#message(STATUS "${QtVal}Core_INCLUDE_DIRS = ${${QtVal}Core_INCLUDE_DIRS}")
check_include_file_cxx(QtGui/qtgui-config.h HAVE_QTGUI_CONFIG_H)
if (HAVE_QTGUI_CONFIG_H)
set(lyx_qt_config "QtGui/qtgui-config.h")
else()
set(lyx_qt_config "QtCore/qconfig.h")
endif()
if(WIN32)
set(QT_USES_X11 OFF CACHE BOOL "Win32 compiled without X11")
# The try_run for minngw would not work here anyway
else()
check_cxx_source_runs(
"
#include <${lyx_qt_config}>
#include <string>
using namespace std;
string a(QT_QPA_DEFAULT_PLATFORM_NAME);
int main(int argc, char **argv)
{
if (a.compare(\"xcb\") == 0)
return(0);
else
return 1;
}
"
QT_USES_X11)
endif()
if (${QtVal}X11Extras_FOUND)
get_target_property(_x11extra_prop ${QtVal}::X11Extras IMPORTED_CONFIGURATIONS)
get_target_property(_x11extra_link_libraries ${QtVal}::X11Extras IMPORTED_LOCATION_${_x11extra_prop})
set(CMAKE_REQUIRED_LIBRARIES ${_x11extra_link_libraries})
set(CMAKE_REQUIRED_INCLUDES ${${QtVal}X11Extras_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS "${${QtVal}X11Extras_EXECUTABLE_COMPILE_FLAGS} -fPIC -DQT_NO_VERSION_TAGGING")
#message(STATUS "CMAKE_REQUIRED_LIBRARIES = ${_x11extra_link_libraries}")
#message(STATUS "CMAKE_REQUIRED_INCLUDES = ${${QtVal}X11Extras_INCLUDE_DIRS}")
#message(STATUS "CMAKE_REQUIRED_FLAGS = ${CMAKE_REQUIRED_FLAGS}")
check_cxx_source_compiles(
"
#include <QtX11Extras/QX11Info>
int main()
{
bool isX11 = QX11Info::isPlatformX11();
}
"
QT_HAS_X11_EXTRAS)
string(TOUPPER ${QtVal} QTVAL)
set(HAVE_${QTVAL}_X11_EXTRAS ${QT_HAS_X11_EXTRAS})
set(LYX_${QTVAL}_X11_EXTRAS_LIBRARY ${_x11extra_link_libraries})
endif()
if (${QtVal}WinExtras_FOUND)
get_target_property(_winextra_prop ${QtVal}::WinExtras IMPORTED_CONFIGURATIONS)
string(TOUPPER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
get_target_property(_winextra_link_libraries ${QtVal}::WinExtras IMPORTED_LOCATION_${BUILD_TYPE})
set(CMAKE_REQUIRED_LIBRARIES ${_winextra_link_libraries})
set(CMAKE_REQUIRED_INCLUDES ${${QtVal}WinExtras_INCLUDE_DIRS})
set(CMAKE_REQUIRED_FLAGS ${${QtVal}WinExtras_EXECUTABLE_COMPILE_FLAGS})
endif()
else()
message(FATAL_ERROR "Check for QT_USES_X11: Not handled LYX_USE_QT (= ${LYX_USE_QT})")
endif()
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