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cmake: do not require a C compiler

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This commit is contained in:
Sergiu Deitsch 2021-03-31 00:05:42 +02:00
parent e27f141194
commit 3f4df6aee9
1 changed files with 33 additions and 35 deletions
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68
CMakeLists.txt
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@ -8,7 +8,7 @@ if (POLICY CMP0063)
cmake_policy (SET CMP0063 NEW) cmake_policy (SET CMP0063 NEW)
endif (POLICY CMP0063) endif (POLICY CMP0063)
project(glog VERSION 0.5.0 LANGUAGES C CXX) project(glog VERSION 0.5.0 LANGUAGES CXX)
set (CPACK_PACKAGE_NAME glog) set (CPACK_PACKAGE_NAME glog)
set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Google logging library") set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Google logging library")
@ -45,12 +45,11 @@ set (CMAKE_CXX_VISIBILITY_PRESET hidden)
set (CMAKE_VISIBILITY_INLINES_HIDDEN 1) set (CMAKE_VISIBILITY_INLINES_HIDDEN 1)
list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
include (CheckCSourceCompiles) include (CheckCXXSourceCompiles)
include (CheckCXXCompilerFlag) include (CheckCXXCompilerFlag)
include (CheckCXXSourceCompiles) include (CheckCXXSourceCompiles)
include (CheckCXXSourceRuns) include (CheckCXXSourceRuns)
include (CheckFunctionExists) include (CheckFunctionExists)
include (CheckIncludeFile)
include (CheckIncludeFileCXX) include (CheckIncludeFileCXX)
include (CheckLibraryExists) include (CheckLibraryExists)
include (CheckStructHasMember) include (CheckStructHasMember)
@ -91,27 +90,26 @@ if (Unwind_FOUND)
set (HAVE_UNWIND_H 1) set (HAVE_UNWIND_H 1)
endif (Unwind_FOUND) endif (Unwind_FOUND)
check_include_file (dlfcn.h HAVE_DLFCN_H) check_include_file_cxx (dlfcn.h HAVE_DLFCN_H)
check_include_file (execinfo.h HAVE_EXECINFO_H) check_include_file_cxx (execinfo.h HAVE_EXECINFO_H)
check_include_file (glob.h HAVE_GLOB_H) check_include_file_cxx (glob.h HAVE_GLOB_H)
check_include_file (inttypes.h HAVE_INTTYPES_H) check_include_file_cxx (inttypes.h HAVE_INTTYPES_H)
check_include_file (memory.h HAVE_MEMORY_H) check_include_file_cxx (memory.h HAVE_MEMORY_H)
check_include_file (pwd.h HAVE_PWD_H) check_include_file_cxx (pwd.h HAVE_PWD_H)
check_include_file (stdint.h HAVE_STDINT_H) check_include_file_cxx (stdint.h HAVE_STDINT_H)
check_include_file (stdlib.h HAVE_STDLIB_H) check_include_file_cxx (stdlib.h HAVE_STDLIB_H)
check_include_file (string.h HAVE_STRING_H) check_include_file_cxx (string.h HAVE_STRING_H)
check_include_file (strings.h HAVE_STRINGS_H) check_include_file_cxx (strings.h HAVE_STRINGS_H)
check_include_file (sys/stat.h HAVE_SYS_STAT_H) check_include_file_cxx (sys/stat.h HAVE_SYS_STAT_H)
check_include_file (sys/syscall.h HAVE_SYS_SYSCALL_H) check_include_file_cxx (sys/syscall.h HAVE_SYS_SYSCALL_H)
check_include_file (sys/time.h HAVE_SYS_TIME_H) check_include_file_cxx (sys/time.h HAVE_SYS_TIME_H)
check_include_file (sys/types.h HAVE_SYS_TYPES_H) check_include_file_cxx (sys/types.h HAVE_SYS_TYPES_H)
check_include_file (sys/utsname.h HAVE_SYS_UTSNAME_H) check_include_file_cxx (sys/utsname.h HAVE_SYS_UTSNAME_H)
check_include_file (sys/wait.h HAVE_SYS_WAIT_H) check_include_file_cxx (sys/wait.h HAVE_SYS_WAIT_H)
check_include_file (syscall.h HAVE_SYSCALL_H) check_include_file_cxx (syscall.h HAVE_SYSCALL_H)
check_include_file (syslog.h HAVE_SYSLOG_H) check_include_file_cxx (syslog.h HAVE_SYSLOG_H)
check_include_file (ucontext.h HAVE_UCONTEXT_H) check_include_file_cxx (ucontext.h HAVE_UCONTEXT_H)
check_include_file (unistd.h HAVE_UNISTD_H) check_include_file_cxx (unistd.h HAVE_UNISTD_H)
check_include_file (pwd.h HAVE_PWD_H)
check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP) check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP)
check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET) check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET)
@ -121,9 +119,9 @@ check_include_file_cxx ("tr1/unordered_set" HAVE_TR1_UNORDERED_SET)
check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP) check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP)
check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET) check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET)
check_type_size ("unsigned __int16" HAVE___UINT16) check_type_size ("unsigned __int16" HAVE___UINT16 LANGUAGE CXX)
check_type_size (u_int16_t HAVE_U_INT16_T) check_type_size (u_int16_t HAVE_U_INT16_T LANGUAGE CXX)
check_type_size (uint16_t HAVE_UINT16_T) check_type_size (uint16_t HAVE_UINT16_T LANGUAGE CXX)
check_function_exists (dladdr HAVE_DLADDR) check_function_exists (dladdr HAVE_DLADDR)
check_function_exists (fcntl HAVE_FCNTL) check_function_exists (fcntl HAVE_FCNTL)
@ -148,36 +146,36 @@ check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF)
check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP) check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP)
check_c_source_compiles (" check_cxx_source_compiles ("
#include <stdlib.h> #include <stdlib.h>
static void foo(void) __attribute__ ((unused)); static void foo(void) __attribute__ ((unused));
int main(void) { return 0; } int main(void) { return 0; }
" HAVE___ATTRIBUTE__) " HAVE___ATTRIBUTE__)
check_c_source_compiles (" check_cxx_source_compiles ("
#include <stdlib.h> #include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"default\"))); static void foo(void) __attribute__ ((visibility(\"default\")));
int main(void) { return 0; } int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_DEFAULT) " HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
check_c_source_compiles (" check_cxx_source_compiles ("
#include <stdlib.h> #include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"hidden\"))); static void foo(void) __attribute__ ((visibility(\"hidden\")));
int main(void) { return 0; } int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_HIDDEN) " HAVE___ATTRIBUTE__VISIBILITY_HIDDEN)
check_c_source_compiles (" check_cxx_source_compiles ("
int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; } int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; }
" HAVE___BUILTIN_EXPECT) " HAVE___BUILTIN_EXPECT)
check_c_source_compiles (" check_cxx_source_compiles ("
int main(void) int main(void)
{ {
int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0; int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0;
} }
" HAVE___SYNC_VAL_COMPARE_AND_SWAP) " HAVE___SYNC_VAL_COMPARE_AND_SWAP)
check_c_source_compiles (" check_cxx_source_compiles ("
#define _XOPEN_SOURCE 500 #define _XOPEN_SOURCE 500
#include <pthread.h> #include <pthread.h>
int main(void) int main(void)
@ -189,7 +187,7 @@ int main(void)
} }
" HAVE_RWLOCK) " HAVE_RWLOCK)
check_c_source_compiles (" check_cxx_source_compiles ("
__declspec(selectany) int a; __declspec(selectany) int a;
int main(void) { return 0; } int main(void) { return 0; }
" HAVE___DECLSPEC) " HAVE___DECLSPEC)
@ -281,7 +279,7 @@ if (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)
foreach (_PC_FIELD ${_PC_FIELDS}) foreach (_PC_FIELD ${_PC_FIELDS})
foreach (_PC_HEADER ${_PC_HEADERS}) foreach (_PC_HEADER ${_PC_HEADERS})
set (_TMP set (_TMP
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.c) ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.cpp)
file (WRITE ${_TMP} " file (WRITE ${_TMP} "
#define _GNU_SOURCE 1 #define _GNU_SOURCE 1
#include <${_PC_HEADER}> #include <${_PC_HEADER}>