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Fix test_strerror_r not works

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lifegpc
2022-10-10 02:17:57 +00:00
committed by GitHub
parent 193af05008
commit 40e3df54a9
4 changed files with 18 additions and 6 deletions
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1
.gitignore vendored Normal file
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@@ -0,0 +1 @@
build/

8
CMakeLists.txt
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@@ -47,18 +47,20 @@ endif()
check_symbol_exists(strcasecmp "string.h" HAVE_STRCASECMP)
check_symbol_exists(strncasecmp "string.h" HAVE_STRNCASECMP)
check_symbol_exists(strerror_r "string.h" HAVE_STRERROR_R)
if (HAVE_STRERROR_R)
test_strerror_r(HAVE_GNU_STRERROR_R)
endif()
set(HAVE_GNU_SOURCE OFF)
if (NOT WIN32)
set(TMP "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(fcloseall "stdio.h" HAVE_FCLOSEALL)
if (HAVE_FCLOSEALL)
add_compile_definitions(_GNU_SOURCE)
set(HAVE_GNU_SOURCE ON)
endif()
set(CMAKE_REQUIRED_DEFINITIONS "${TMP}")
endif()
if (HAVE_STRERROR_R)
test_strerror_r(HAVE_GNU_STRERROR_R ${HAVE_GNU_SOURCE})
endif()
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/utils_config.h.in" "${CMAKE_CURRENT_BINARY_DIR}/utils_config.h")
if (${CMAKE_C_COMPILER_ID} STREQUAL GNU)

13
TestStrerrorR.cmake
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@@ -1,12 +1,19 @@
function(test_strerror_r OUTPUT_VAR)
function(test_strerror_r OUTPUT_VAR HAVE_GNU_SOURCE)
if (DEFINED STRERROR_R_TEST_RESULT_CACHE)
set(${OUTPUT_VAR} ${STRERROR_R_TEST_RESULT_CACHE} PARENT_SCOPE)
message(STATUS "Check strerror_r is GNU complatable - ${STRERROR_R_TEST_RESULT_CACHE} (Cached)")
else()
message(STATUS "Check strerror_r is GNU complatable")
try_compile(STRERROR_R_TEST_RESULT "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/test_strerror_r.c")
if (HAVE_GNU_SOURCE)
set(TMP_DEF -D_GNU_SOURCE)
endif()
try_compile(STRERROR_R_TEST_RESULT "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/test_strerror_r.c" COMPILE_DEFINITIONS -Werror=int-conversion ${TMP_DEF})
set(STRERROR_R_TEST_RESULT_CACHE ${STRERROR_R_TEST_RESULT} CACHE BOOL "Is strerror_r is GNU complatable.")
set(${OUTPUT_VAR} ${STRERROR_R_TEST_RESULT} PARENT_SCOPE)
if (STRERROR_R_TEST_RESULT)
set(${OUTPUT_VAR} 1 PARENT_SCOPE)
else()
unset(${OUTPUT_VAR} PARENT_SCOPE)
endif()
message(STATUS "Check strerror_r is GNU complatable - ${STRERROR_R_TEST_RESULT}")
endif()
endfunction()

2
test_strerror_r.c
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@@ -1,4 +1,6 @@
#include <errno.h>
#include <string.h>
#include <stdio.h>
int main() {
char buf[280];