diff options
Diffstat (limited to 'CMake')
| -rw-r--r-- | CMake/CurlCheckCSourceCompiles.cmake | 71 | ||||
| -rw-r--r-- | CMake/CurlCheckCSourceRuns.cmake | 83 | ||||
| -rw-r--r-- | CMake/OtherTests.cmake | 176 |
3 files changed, 85 insertions, 245 deletions
diff --git a/CMake/CurlCheckCSourceCompiles.cmake b/CMake/CurlCheckCSourceCompiles.cmake deleted file mode 100644 index c5d2babdf..000000000 --- a/CMake/CurlCheckCSourceCompiles.cmake +++ /dev/null @@ -1,71 +0,0 @@ -# - Check if the source code provided in the SOURCE argument compiles. -# CURL_CHECK_C_SOURCE_COMPILES(SOURCE VAR) -# - macro which checks if the source code compiles -# SOURCE - source code to try to compile -# VAR - variable to store whether the source code compiled -# -# The following variables may be set before calling this macro to -# modify the way the check is run: -# -# CMAKE_REQUIRED_FLAGS = string of compile command line flags -# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) -# CMAKE_REQUIRED_INCLUDES = list of include directories -# CMAKE_REQUIRED_LIBRARIES = list of libraries to link - -macro(CURL_CHECK_C_SOURCE_COMPILES SOURCE VAR) - if("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN") - set(message "${VAR}") - # If the number of arguments is greater than 2 (SOURCE VAR) - if(${ARGC} GREATER 2) - # then add the third argument as a message - set(message "${ARGV2} (${VAR})") - endif() - set(MACRO_CHECK_FUNCTION_DEFINITIONS - "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") - if(CMAKE_REQUIRED_LIBRARIES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") - endif() - if(CMAKE_REQUIRED_INCLUDES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES - "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") - endif() - set(src "") - foreach(def ${EXTRA_DEFINES}) - set(src "${src}#define ${def} 1\n") - endforeach(def) - foreach(inc ${HEADER_INCLUDES}) - set(src "${src}#include <${inc}>\n") - endforeach(inc) - - set(src "${src}\nint main() { ${SOURCE} ; return 0; }") - set(CMAKE_CONFIGURABLE_FILE_CONTENT "${src}") - configure_file(${CMAKE_CURRENT_SOURCE_DIR}/CMake/CMakeConfigurableFile.in - "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c" - IMMEDIATE) - message(STATUS "Performing Test ${message}") - try_compile(${VAR} - ${CMAKE_BINARY_DIR} - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} - "${CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}" - "${CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}" - OUTPUT_VARIABLE OUTPUT) - if(${VAR}) - set(${VAR} 1 CACHE INTERNAL "Test ${message}") - message(STATUS "Performing Test ${message} - Success") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Performing C SOURCE FILE Test ${message} succeded with the following output:\n" - "${OUTPUT}\n" - "Source file was:\n${src}\n") - else() - message(STATUS "Performing Test ${message} - Failed") - set(${VAR} "" CACHE INTERNAL "Test ${message}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Performing C SOURCE FILE Test ${message} failed with the following output:\n" - "${OUTPUT}\n" - "Source file was:\n${src}\n") - endif() - endif() -endmacro() diff --git a/CMake/CurlCheckCSourceRuns.cmake b/CMake/CurlCheckCSourceRuns.cmake deleted file mode 100644 index 6b14af80d..000000000 --- a/CMake/CurlCheckCSourceRuns.cmake +++ /dev/null @@ -1,83 +0,0 @@ -# - Check if the source code provided in the SOURCE argument compiles and runs. -# CURL_CHECK_C_SOURCE_RUNS(SOURCE VAR) -# - macro which checks if the source code runs -# SOURCE - source code to try to compile -# VAR - variable to store size if the type exists. -# -# The following variables may be set before calling this macro to -# modify the way the check is run: -# -# CMAKE_REQUIRED_FLAGS = string of compile command line flags -# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) -# CMAKE_REQUIRED_INCLUDES = list of include directories -# CMAKE_REQUIRED_LIBRARIES = list of libraries to link - -macro(CURL_CHECK_C_SOURCE_RUNS SOURCE VAR) - if("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN") - set(message "${VAR}") - # If the number of arguments is greater than 2 (SOURCE VAR) - if(${ARGC} GREATER 2) - # then add the third argument as a message - set(message "${ARGV2} (${VAR})") - endif(${ARGC} GREATER 2) - set(MACRO_CHECK_FUNCTION_DEFINITIONS - "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") - if(CMAKE_REQUIRED_LIBRARIES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") - else(CMAKE_REQUIRED_LIBRARIES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES) - endif(CMAKE_REQUIRED_LIBRARIES) - if(CMAKE_REQUIRED_INCLUDES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES - "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") - else(CMAKE_REQUIRED_INCLUDES) - set(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES) - endif(CMAKE_REQUIRED_INCLUDES) - set(src "") - foreach(def ${EXTRA_DEFINES}) - set(src "${src}#define ${def} 1\n") - endforeach(def) - foreach(inc ${HEADER_INCLUDES}) - set(src "${src}#include <${inc}>\n") - endforeach(inc) - - set(src "${src}\nint main() { ${SOURCE} ; return 0; }") - set(CMAKE_CONFIGURABLE_FILE_CONTENT "${src}") - configure_file(${CMAKE_CURRENT_SOURCE_DIR}/CMake/CMakeConfigurableFile.in - "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c" - IMMEDIATE) - message(STATUS "Performing Test ${message}") - try_run(${VAR} ${VAR}_COMPILED - ${CMAKE_BINARY_DIR} - ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} - "${CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}" - "${CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}" - OUTPUT_VARIABLE OUTPUT) - # if it did not compile make the return value fail code of 1 - if(NOT ${VAR}_COMPILED) - set(${VAR} 1) - endif(NOT ${VAR}_COMPILED) - # if the return value was 0 then it worked - set(result_var ${${VAR}}) - if("${result_var}" EQUAL 0) - set(${VAR} 1 CACHE INTERNAL "Test ${message}") - message(STATUS "Performing Test ${message} - Success") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Performing C SOURCE FILE Test ${message} succeded with the following output:\n" - "${OUTPUT}\n" - "Return value: ${${VAR}}\n" - "Source file was:\n${src}\n") - else("${result_var}" EQUAL 0) - message(STATUS "Performing Test ${message} - Failed") - set(${VAR} "" CACHE INTERNAL "Test ${message}") - file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Performing C SOURCE FILE Test ${message} failed with the following output:\n" - "${OUTPUT}\n" - "Return value: ${result_var}\n" - "Source file was:\n${src}\n") - endif("${result_var}" EQUAL 0) - endif("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN") -endmacro(CURL_CHECK_C_SOURCE_RUNS) diff --git a/CMake/OtherTests.cmake b/CMake/OtherTests.cmake index 9cd5eac9d..6dec37fd4 100644 --- a/CMake/OtherTests.cmake +++ b/CMake/OtherTests.cmake @@ -1,15 +1,10 @@ -include(CurlCheckCSourceCompiles) -set(EXTRA_DEFINES "__unused1\n#undef inline\n#define __unused2") -set(HEADER_INCLUDES) -set(headers_hack) +include(CheckCSourceCompiles) +# The begin of the sources (macros and includes) +set(_source_epilogue "#undef inline") macro(add_header_include check header) if(${check}) - set(headers_hack - "${headers_hack}\n#include <${header}>") - #SET(HEADER_INCLUDES - # ${HEADER_INCLUDES} - # "${header}") + set(_source_epilogue "${_source_epilogue}\n#include <${header}>") endif(${check}) endmacro(add_header_include) @@ -18,8 +13,8 @@ if(HAVE_WINDOWS_H) add_header_include(HAVE_WINDOWS_H "windows.h") add_header_include(HAVE_WINSOCK2_H "winsock2.h") add_header_include(HAVE_WINSOCK_H "winsock.h") - set(EXTRA_DEFINES ${EXTRA_DEFINES} - "__unused7\n#ifndef WIN32_LEAN_AND_MEAN\n#define WIN32_LEAN_AND_MEAN\n#endif\n#define __unused3") + set(_source_epilogue + "${_source_epilogue}\n#ifndef WIN32_LEAN_AND_MEAN\n#define WIN32_LEAN_AND_MEAN\n#endif") set(signature_call_conv "PASCAL") if(HAVE_LIBWS2_32) set(CMAKE_REQUIRED_LIBRARIES ws2_32) @@ -29,14 +24,12 @@ else(HAVE_WINDOWS_H) add_header_include(HAVE_SYS_SOCKET_H "sys/socket.h") endif(HAVE_WINDOWS_H) -set(EXTRA_DEFINES_BACKUP "${EXTRA_DEFINES}") -set(EXTRA_DEFINES "${EXTRA_DEFINES_BACKUP}\n${headers_hack}\n${extern_line}\n#define __unused5") -curl_check_c_source_compiles("recv(0, 0, 0, 0)" curl_cv_recv) +check_c_source_compiles("${_source_epilogue} +int main(void) { + recv(0, 0, 0, 0); + return 0; +}" curl_cv_recv) if(curl_cv_recv) - # AC_CACHE_CHECK([types of arguments and return type for recv], - #[curl_cv_func_recv_args], [ - #SET(curl_cv_func_recv_args "unknown") - #for recv_retv in 'int' 'ssize_t'; do if(NOT DEFINED curl_cv_func_recv_args OR "${curl_cv_func_recv_args}" STREQUAL "unknown") foreach(recv_retv "int" "ssize_t" ) foreach(recv_arg1 "int" "ssize_t" "SOCKET") @@ -44,17 +37,23 @@ if(curl_cv_recv) foreach(recv_arg3 "size_t" "int" "socklen_t" "unsigned int") foreach(recv_arg4 "int" "unsigned int") if(NOT curl_cv_func_recv_done) - set(curl_cv_func_recv_test "UNKNOWN") - set(extern_line "extern ${recv_retv} ${signature_call_conv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4})\;") - set(EXTRA_DEFINES "${EXTRA_DEFINES_BACKUP}\n${headers_hack}\n${extern_line}\n#define __unused5") - curl_check_c_source_compiles(" + unset(curl_cv_func_recv_test CACHE) + check_c_source_compiles(" + ${_source_epilogue} + extern ${recv_retv} ${signature_call_conv} + recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4}); + int main(void) { ${recv_arg1} s=0; ${recv_arg2} buf=0; ${recv_arg3} len=0; ${recv_arg4} flags=0; - ${recv_retv} res = recv(s, buf, len, flags)" - curl_cv_func_recv_test - "${recv_retv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4})") + ${recv_retv} res = recv(s, buf, len, flags); + (void) res; + return 0; + }" + curl_cv_func_recv_test) + message(STATUS + "Tested: ${recv_retv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4})") if(curl_cv_func_recv_test) set(curl_cv_func_recv_args "${recv_arg1},${recv_arg2},${recv_arg3},${recv_arg4},${recv_retv}") @@ -72,18 +71,13 @@ if(curl_cv_recv) endforeach(recv_arg2) endforeach(recv_arg1) endforeach(recv_retv) - else(NOT DEFINED curl_cv_func_recv_args OR "${curl_cv_func_recv_args}" STREQUAL "unknown") + else() string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG1 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG2 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG3 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" RECV_TYPE_ARG4 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" RECV_TYPE_RETV "${curl_cv_func_recv_args}") - #MESSAGE("RECV_TYPE_ARG1 ${RECV_TYPE_ARG1}") - #MESSAGE("RECV_TYPE_ARG2 ${RECV_TYPE_ARG2}") - #MESSAGE("RECV_TYPE_ARG3 ${RECV_TYPE_ARG3}") - #MESSAGE("RECV_TYPE_ARG4 ${RECV_TYPE_ARG4}") - #MESSAGE("RECV_TYPE_RETV ${RECV_TYPE_RETV}") - endif(NOT DEFINED curl_cv_func_recv_args OR "${curl_cv_func_recv_args}" STREQUAL "unknown") + endif() if("${curl_cv_func_recv_args}" STREQUAL "unknown") message(FATAL_ERROR "Cannot find proper types to use for recv args") @@ -94,12 +88,12 @@ endif(curl_cv_recv) set(curl_cv_func_recv_args "${curl_cv_func_recv_args}" CACHE INTERNAL "Arguments for recv") set(HAVE_RECV 1) -curl_check_c_source_compiles("send(0, 0, 0, 0)" curl_cv_send) +check_c_source_compiles("${_source_epilogue} +int main(void) { + send(0, 0, 0, 0); + return 0; +}" curl_cv_send) if(curl_cv_send) - # AC_CACHE_CHECK([types of arguments and return type for send], - #[curl_cv_func_send_args], [ - #SET(curl_cv_func_send_args "unknown") - #for send_retv in 'int' 'ssize_t'; do if(NOT DEFINED curl_cv_func_send_args OR "${curl_cv_func_send_args}" STREQUAL "unknown") foreach(send_retv "int" "ssize_t" ) foreach(send_arg1 "int" "ssize_t" "SOCKET") @@ -107,19 +101,24 @@ if(curl_cv_send) foreach(send_arg3 "size_t" "int" "socklen_t" "unsigned int") foreach(send_arg4 "int" "unsigned int") if(NOT curl_cv_func_send_done) - set(curl_cv_func_send_test "UNKNOWN") - set(extern_line "extern ${send_retv} ${signature_call_conv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4})\;") - set(EXTRA_DEFINES "${EXTRA_DEFINES_BACKUP}\n${headers_hack}\n${extern_line}\n#define __unused5") - curl_check_c_source_compiles(" + unset(curl_cv_func_send_test CACHE) + check_c_source_compiles(" + ${_source_epilogue} + extern ${send_retv} ${signature_call_conv} + send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4}); + int main(void) { ${send_arg1} s=0; ${send_arg2} buf=0; ${send_arg3} len=0; ${send_arg4} flags=0; - ${send_retv} res = send(s, buf, len, flags)" - curl_cv_func_send_test - "${send_retv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4})") + ${send_retv} res = send(s, buf, len, flags); + (void) res; + return 0; + }" + curl_cv_func_send_test) + message(STATUS + "Tested: ${send_retv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4})") if(curl_cv_func_send_test) - #MESSAGE("Found arguments: ${curl_cv_func_send_test}") string(REGEX REPLACE "(const) .*" "\\1" send_qual_arg2 "${send_arg2}") string(REGEX REPLACE "const (.*)" "\\1" send_arg2 "${send_arg2}") set(curl_cv_func_send_args @@ -138,20 +137,14 @@ if(curl_cv_send) endforeach(send_arg2) endforeach(send_arg1) endforeach(send_retv) - else(NOT DEFINED curl_cv_func_send_args OR "${curl_cv_func_send_args}" STREQUAL "unknown") + else() string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG1 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG2 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG3 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG4 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" SEND_TYPE_RETV "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" SEND_QUAL_ARG2 "${curl_cv_func_send_args}") - #MESSAGE("SEND_TYPE_ARG1 ${SEND_TYPE_ARG1}") - #MESSAGE("SEND_TYPE_ARG2 ${SEND_TYPE_ARG2}") - #MESSAGE("SEND_TYPE_ARG3 ${SEND_TYPE_ARG3}") - #MESSAGE("SEND_TYPE_ARG4 ${SEND_TYPE_ARG4}") - #MESSAGE("SEND_TYPE_RETV ${SEND_TYPE_RETV}") - #MESSAGE("SEND_QUAL_ARG2 ${SEND_QUAL_ARG2}") - endif(NOT DEFINED curl_cv_func_send_args OR "${curl_cv_func_send_args}" STREQUAL "unknown") + endif() if("${curl_cv_func_send_args}" STREQUAL "unknown") message(FATAL_ERROR "Cannot find proper types to use for send args") @@ -163,57 +156,58 @@ endif(curl_cv_send) set(curl_cv_func_send_args "${curl_cv_func_send_args}" CACHE INTERNAL "Arguments for send") set(HAVE_SEND 1) -set(EXTRA_DEFINES "${EXTRA_DEFINES}\n${headers_hack}\n#define __unused5") -curl_check_c_source_compiles("int flag = MSG_NOSIGNAL" HAVE_MSG_NOSIGNAL) - -set(EXTRA_DEFINES "__unused1\n#undef inline\n#define __unused2") -set(HEADER_INCLUDES) -set(headers_hack) +check_c_source_compiles("${_source_epilogue} + int main(void) { + int flag = MSG_NOSIGNAL; + (void)flag; + return 0; + }" HAVE_MSG_NOSIGNAL) -macro(add_header_include check header) - if(${check}) - set(headers_hack - "${headers_hack}\n#include <${header}>") - #SET(HEADER_INCLUDES - # ${HEADER_INCLUDES} - # "${header}") - endif(${check}) -endmacro(add_header_include header) - -if(HAVE_WINDOWS_H) - set(EXTRA_DEFINES ${EXTRA_DEFINES} - "__unused7\n#ifndef WIN32_LEAN_AND_MEAN\n#define WIN32_LEAN_AND_MEAN\n#endif\n#define __unused3") - add_header_include(HAVE_WINDOWS_H "windows.h") - add_header_include(HAVE_WINSOCK2_H "winsock2.h") - add_header_include(HAVE_WINSOCK_H "winsock.h") -else(HAVE_WINDOWS_H) - add_header_include(HAVE_SYS_TYPES_H "sys/types.h") +if(NOT HAVE_WINDOWS_H) add_header_include(HAVE_SYS_TIME_H "sys/time.h") add_header_include(TIME_WITH_SYS_TIME "time.h") add_header_include(HAVE_TIME_H "time.h") -endif(HAVE_WINDOWS_H) -set(EXTRA_DEFINES "${EXTRA_DEFINES}\n${headers_hack}\n#define __unused5") -curl_check_c_source_compiles("struct timeval ts;\nts.tv_sec = 0;\nts.tv_usec = 0" HAVE_STRUCT_TIMEVAL) - - -include(CurlCheckCSourceRuns) -set(EXTRA_DEFINES) -set(HEADER_INCLUDES) +endif() +check_c_source_compiles("${_source_epilogue} +int main(void) { + struct timeval ts; + ts.tv_sec = 0; + ts.tv_usec = 0; + (void)ts; + return 0; +}" HAVE_STRUCT_TIMEVAL) + + +include(CheckCSourceRuns) +set(CMAKE_REQUIRED_FLAGS) if(HAVE_SYS_POLL_H) - set(HEADER_INCLUDES "sys/poll.h") + set(CMAKE_REQUIRED_FLAGS "-DHAVE_SYS_POLL_H") endif(HAVE_SYS_POLL_H) -curl_check_c_source_runs("return poll((void *)0, 0, 10 /*ms*/)" HAVE_POLL_FINE) +check_c_source_runs(" + #ifdef HAVE_SYS_POLL_H + # include <sys/poll.h> + #endif + int main(void) { + return poll((void *)0, 0, 10 /*ms*/); + }" HAVE_POLL_FINE) set(HAVE_SIG_ATOMIC_T 1) -set(EXTRA_DEFINES) -set(HEADER_INCLUDES) +set(CMAKE_REQUIRED_FLAGS) if(HAVE_SIGNAL_H) - set(HEADER_INCLUDES "signal.h") + set(CMAKE_REQUIRED_FLAGS "-DHAVE_SIGNAL_H") set(CMAKE_EXTRA_INCLUDE_FILES "signal.h") endif(HAVE_SIGNAL_H) check_type_size("sig_atomic_t" SIZEOF_SIG_ATOMIC_T) if(HAVE_SIZEOF_SIG_ATOMIC_T) - curl_check_c_source_compiles("static volatile sig_atomic_t dummy = 0" HAVE_SIG_ATOMIC_T_NOT_VOLATILE) + check_c_source_compiles(" + #ifdef HAVE_SIGNAL_H + # include <signal.h> + #endif + int main(void) { + static volatile sig_atomic_t dummy = 0; + (void)dummy; + return 0; + }" HAVE_SIG_ATOMIC_T_NOT_VOLATILE) if(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE) set(HAVE_SIG_ATOMIC_T_VOLATILE 1) endif(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE) |