ConfigureChecks.cmake

   1 include(CheckIncludeFile)
   2 include(CheckSymbolExists)
   3 include(CheckFunctionExists)
   4 include(CheckLibraryExists)
   5 include(CheckTypeSize)
   6 include(CheckStructHasMember)
   7 include(CheckPrototypeDefinition)
   8 include(TestBigEndian)
   9
  10 set(PACKAGE ${APPLICATION_NAME})
  11 set(VERSION ${APPLICATION_VERSION})
  12 set(DATADIR ${DATA_INSTALL_DIR})
  13 set(LIBDIR ${LIB_INSTALL_DIR})
  14 set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
  15 set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
  16
  17 set(BINARYDIR ${CMAKE_BINARY_DIR})
  18 set(SOURCEDIR ${CMAKE_SOURCE_DIR})
  19
  20 function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
  21     # Remove whitespaces from the argument.
  22     # This is needed for CC="ccache gcc" cmake ..
  23     string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
  24
  25     execute_process(
  26         COMMAND
  27             ${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
  28         OUTPUT_VARIABLE _COMPILER_VERSION
  29     )
  30
  31     string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
  32            _COMPILER_VERSION "${_COMPILER_VERSION}")
  33
  34     set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
  35 endfunction()
  36
  37 # HEADERS
  38 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
  39 check_include_file(unistd.h HAVE_UNISTD_H)
  40 check_include_file(security/pam_appl.h HAVE_SECURITY_PAM_APPL_H)
  41 check_include_file(security/pam_modules.h HAVE_SECURITY_PAM_MODULES_H)
  42 check_include_file(security/pam_ext.h HAVE_SECURITY_PAM_EXT_H)
  43
  44 # FUNCTIONS
  45 check_function_exists(strncpy HAVE_STRNCPY)
  46 check_function_exists(vsnprintf HAVE_VSNPRINTF)
  47 check_function_exists(snprintf HAVE_SNPRINTF)
  48
  49 set(CMAKE_REQUIRED_LIBRARIES pam)
  50 check_function_exists(pam_vsyslog HAVE_PAM_VSYSLOG)
  51 check_function_exists(pam_syslog HAVE_PAM_SYSLOG)
  52 set(CMAKE_REQUIRED_LIBRARIES)
  53
  54 check_prototype_definition(pam_vprompt
  55     "int pam_vprompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, va_list _ap)"
  56     "-1"
  57     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  58     HAVE_PAM_VPROMPT_CONST)
  59
  60 check_prototype_definition(pam_prompt
  61     "int pam_prompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, ...)"
  62     "-1"
  63     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  64     HAVE_PAM_PROMPT_CONST)
  65
  66 check_prototype_definition(pam_strerror
  67     "const char *pam_strerror(const pam_handle_t *_pamh, int _error_number)"
  68     "NULL"
  69     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  70     HAVE_PAM_STRERROR_CONST)
  71
  72 # LIBRARIES
  73 find_library(PAM_LIBRARY NAMES libpam.so.0 pam)
  74 set(PAM_LIBRARY ${PAM_LIBRARY})
  75 find_library(PAM_MISC_LIBRARY NAMES pam_misc)
  76 if (PAM_MISC_LIBRARY)
  77         set(HAVE_PAM_MISC TRUE)
  78 endif()
  79
  80 check_library_exists(${PAM_LIBRARY} openpam_set_option "" HAVE_OPENPAM)
  81
  82 # PAM FUNCTIONS
  83 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${PAM_LIBRARY})
  84 check_function_exists(pam_syslog HAVE_PAM_SYSLOG)
  85 check_function_exists(pam_vsyslog HAVE_PAM_VSYSLOG)
  86
  87 # OPTIONS
  88
  89 if (LINUX)
  90     if (HAVE_SYS_SYSCALL_H)
  91        list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYS_SYSCALL_H")
  92     endif (HAVE_SYS_SYSCALL_H)
  93     if (HAVE_SYSCALL_H)
  94         list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYSCALL_H")
  95     endif (HAVE_SYSCALL_H)
  96
  97     set(CMAKE_REQUIRED_DEFINITIONS)
  98 endif (LINUX)
  99
 100 # COMPAT
 101 if (HAVE_OPENPAM_H)
 102     set(HAVE_OPENPAM    1)
 103 endif ()
 104
 105 check_c_source_compiles("
 106 #include <stdbool.h>
 107 int main(void) {
 108     bool x;
 109     bool *p_x = &x;
 110     __atomic_load(p_x, &x, __ATOMIC_RELAXED);
 111     return 0;
 112 }" HAVE_GCC_ATOMIC_BUILTINS)
 113
 114 check_c_source_compiles("
 115 __thread int tls;
 116
 117 int main(void) {
 118     return 0;
 119 }" HAVE_GCC_THREAD_LOCAL_STORAGE)
 120
 121 check_c_source_compiles("
 122 void test_constructor_attribute(void) __attribute__ ((constructor));
 123
 124 void test_constructor_attribute(void)
 125 {
 126      return;
 127 }
 128
 129 int main(void) {
 130      return 0;
 131 }" HAVE_CONSTRUCTOR_ATTRIBUTE)
 132
 133 check_c_source_compiles("
 134 void test_destructor_attribute(void) __attribute__ ((destructor));
 135
 136 void test_destructor_attribute(void)
 137 {
 138     return;
 139 }
 140
 141 int main(void) {
 142     return 0;
 143 }" HAVE_DESTRUCTOR_ATTRIBUTE)
 144
 145 check_c_source_compiles("
 146 void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
 147
 148 int main(void) {
 149     return 0;
 150 }" HAVE_FUNCTION_ATTRIBUTE_FORMAT)
 151
 152 # SYSTEM LIBRARIES
 153
 154 check_library_exists(dl dlopen "" HAVE_LIBDL)
 155 if (HAVE_LIBDL)
 156     find_library(DLFCN_LIBRARY dl)
 157     set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
 158 endif (HAVE_LIBDL)
 159
 160 if (OSX)
 161     set(HAVE_APPLE 1)
 162 endif (OSX)
 163
 164 # ENDIAN
 165 if (NOT WIN32)
 166     test_big_endian(WORDS_BIGENDIAN)
 167 endif (NOT WIN32)
 168
 169 set(UIDWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "uidwrap required system libraries")