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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)
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_DESCRIPTION_SUMMARY "Google logging library")
@ -45,12 +45,11 @@ set (CMAKE_CXX_VISIBILITY_PRESET hidden)
set (CMAKE_VISIBILITY_INLINES_HIDDEN 1)
list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
include (CheckCSourceCompiles)
include (CheckCXXSourceCompiles)
include (CheckCXXCompilerFlag)
include (CheckCXXSourceCompiles)
include (CheckCXXSourceRuns)
include (CheckFunctionExists)
include (CheckIncludeFile)
include (CheckIncludeFileCXX)
include (CheckLibraryExists)
include (CheckStructHasMember)
@ -91,27 +90,26 @@ if (Unwind_FOUND)
set (HAVE_UNWIND_H 1)
endif (Unwind_FOUND)
check_include_file (dlfcn.h HAVE_DLFCN_H)
check_include_file (execinfo.h HAVE_EXECINFO_H)
check_include_file (glob.h HAVE_GLOB_H)
check_include_file (inttypes.h HAVE_INTTYPES_H)
check_include_file (memory.h HAVE_MEMORY_H)
check_include_file (pwd.h HAVE_PWD_H)
check_include_file (stdint.h HAVE_STDINT_H)
check_include_file (stdlib.h HAVE_STDLIB_H)
check_include_file (string.h HAVE_STRING_H)
check_include_file (strings.h HAVE_STRINGS_H)
check_include_file (sys/stat.h HAVE_SYS_STAT_H)
check_include_file (sys/syscall.h HAVE_SYS_SYSCALL_H)
check_include_file (sys/time.h HAVE_SYS_TIME_H)
check_include_file (sys/types.h HAVE_SYS_TYPES_H)
check_include_file (sys/utsname.h HAVE_SYS_UTSNAME_H)
check_include_file (sys/wait.h HAVE_SYS_WAIT_H)
check_include_file (syscall.h HAVE_SYSCALL_H)
check_include_file (syslog.h HAVE_SYSLOG_H)
check_include_file (ucontext.h HAVE_UCONTEXT_H)
check_include_file (unistd.h HAVE_UNISTD_H)
check_include_file (pwd.h HAVE_PWD_H)
check_include_file_cxx (dlfcn.h HAVE_DLFCN_H)
check_include_file_cxx (execinfo.h HAVE_EXECINFO_H)
check_include_file_cxx (glob.h HAVE_GLOB_H)
check_include_file_cxx (inttypes.h HAVE_INTTYPES_H)
check_include_file_cxx (memory.h HAVE_MEMORY_H)
check_include_file_cxx (pwd.h HAVE_PWD_H)
check_include_file_cxx (stdint.h HAVE_STDINT_H)
check_include_file_cxx (stdlib.h HAVE_STDLIB_H)
check_include_file_cxx (string.h HAVE_STRING_H)
check_include_file_cxx (strings.h HAVE_STRINGS_H)
check_include_file_cxx (sys/stat.h HAVE_SYS_STAT_H)
check_include_file_cxx (sys/syscall.h HAVE_SYS_SYSCALL_H)
check_include_file_cxx (sys/time.h HAVE_SYS_TIME_H)
check_include_file_cxx (sys/types.h HAVE_SYS_TYPES_H)
check_include_file_cxx (sys/utsname.h HAVE_SYS_UTSNAME_H)
check_include_file_cxx (sys/wait.h HAVE_SYS_WAIT_H)
check_include_file_cxx (syscall.h HAVE_SYSCALL_H)
check_include_file_cxx (syslog.h HAVE_SYSLOG_H)
check_include_file_cxx (ucontext.h HAVE_UCONTEXT_H)
check_include_file_cxx (unistd.h HAVE_UNISTD_H)
check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP)
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_set" HAVE_UNORDERED_SET)
check_type_size ("unsigned __int16" HAVE___UINT16)
check_type_size (u_int16_t HAVE_U_INT16_T)
check_type_size (uint16_t HAVE_UINT16_T)
check_type_size ("unsigned __int16" HAVE___UINT16 LANGUAGE CXX)
check_type_size (u_int16_t HAVE_U_INT16_T LANGUAGE CXX)
check_type_size (uint16_t HAVE_UINT16_T LANGUAGE CXX)
check_function_exists (dladdr HAVE_DLADDR)
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_c_source_compiles ("
check_cxx_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((unused));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__)
check_c_source_compiles ("
check_cxx_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"default\")));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
check_c_source_compiles ("
check_cxx_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"hidden\")));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_HIDDEN)
check_c_source_compiles ("
check_cxx_source_compiles ("
int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; }
" HAVE___BUILTIN_EXPECT)
check_c_source_compiles ("
check_cxx_source_compiles ("
int main(void)
{
int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0;
}
" HAVE___SYNC_VAL_COMPARE_AND_SWAP)
check_c_source_compiles ("
check_cxx_source_compiles ("
#define _XOPEN_SOURCE 500
#include <pthread.h>
int main(void)
@ -189,7 +187,7 @@ int main(void)
}
" HAVE_RWLOCK)
check_c_source_compiles ("
check_cxx_source_compiles ("
__declspec(selectany) int a;
int main(void) { return 0; }
" HAVE___DECLSPEC)
@ -281,7 +279,7 @@ if (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)
foreach (_PC_FIELD ${_PC_FIELDS})
foreach (_PC_HEADER ${_PC_HEADERS})
set (_TMP
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.c)
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.cpp)
file (WRITE ${_TMP} "
#define _GNU_SOURCE 1
#include <${_PC_HEADER}>