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 check_prototype_definition(pam_vprompt
  50     "int pam_vprompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, va_list _ap)"
  51     "-1"
  52     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  53     HAVE_PAM_VPROMPT_CONST)
  54
  55 check_prototype_definition(pam_prompt
  56     "int pam_prompt(const pam_handle_t *_pamh, int _style, char **_resp, const char *_fmt, ...)"
  57     "-1"
  58     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  59     HAVE_PAM_PROMPT_CONST)
  60
  61 check_prototype_definition(pam_strerror
  62     "const char *pam_strerror(const pam_handle_t *_pamh, int _error_number)"
  63     "NULL"
  64     "stdio.h;sys/types.h;security/pam_appl.h;security/pam_modules.h"
  65     HAVE_PAM_STRERROR_CONST)
  66
  67 # LIBRARIES
  68 find_library(PAM_LIBRARY NAMES libpam.so.0 pam)
  69 set(PAM_LIBRARY ${PAM_LIBRARY})
  70 find_library(PAM_MISC_LIBRARY NAMES pam_misc)
  71 if (PAM_MISC_LIBRARY)
  72         set(HAVE_PAM_MISC TRUE)
  73 endif()
  74
  75 check_library_exists(${PAM_LIBRARY} openpam_set_option "" HAVE_OPENPAM)
  76
  77 # PAM FUNCTIONS
  78 set(CMAKE_REQUIRED_LIBRARIES ${PAM_LIBRARY})
  79 check_function_exists(pam_syslog HAVE_PAM_SYSLOG)
  80 check_function_exists(pam_vsyslog HAVE_PAM_VSYSLOG)
  81 unset(CMAKE_REQUIRED_LIBRARIES)
  82
  83 # OPTIONS
  84
  85 if (LINUX)
  86     if (HAVE_SYS_SYSCALL_H)
  87        list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYS_SYSCALL_H")
  88     endif (HAVE_SYS_SYSCALL_H)
  89     if (HAVE_SYSCALL_H)
  90         list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYSCALL_H")
  91     endif (HAVE_SYSCALL_H)
  92
  93     set(CMAKE_REQUIRED_DEFINITIONS)
  94 endif (LINUX)
  95
  96 # COMPAT
  97 if (HAVE_OPENPAM_H)
  98     set(HAVE_OPENPAM    1)
  99 endif ()
 100
 101 check_c_source_compiles("
 102 #include <stdbool.h>
 103 int main(void) {
 104     bool x;
 105     bool *p_x = &x;
 106     __atomic_load(p_x, &x, __ATOMIC_RELAXED);
 107     return 0;
 108 }" HAVE_GCC_ATOMIC_BUILTINS)
 109
 110 check_c_source_compiles("
 111 __thread int tls;
 112
 113 int main(void) {
 114     return 0;
 115 }" HAVE_GCC_THREAD_LOCAL_STORAGE)
 116
 117 check_c_source_compiles("
 118 void test_constructor_attribute(void) __attribute__ ((constructor));
 119
 120 void test_constructor_attribute(void)
 121 {
 122      return;
 123 }
 124
 125 int main(void) {
 126      return 0;
 127 }" HAVE_CONSTRUCTOR_ATTRIBUTE)
 128
 129 check_c_source_compiles("
 130 void test_destructor_attribute(void) __attribute__ ((destructor));
 131
 132 void test_destructor_attribute(void)
 133 {
 134     return;
 135 }
 136
 137 int main(void) {
 138     return 0;
 139 }" HAVE_DESTRUCTOR_ATTRIBUTE)
 140
 141 check_c_source_compiles("
 142 void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
 143
 144 int main(void) {
 145     return 0;
 146 }" HAVE_FUNCTION_ATTRIBUTE_FORMAT)
 147
 148 # SYSTEM LIBRARIES
 149
 150 check_library_exists(dl dlopen "" HAVE_LIBDL)
 151 if (HAVE_LIBDL)
 152     find_library(DLFCN_LIBRARY dl)
 153 endif (HAVE_LIBDL)
 154
 155 if (OSX)
 156     set(HAVE_APPLE 1)
 157 endif (OSX)
 158
 159 # ENDIAN
 160 if (NOT WIN32)
 161     test_big_endian(WORDS_BIGENDIAN)
 162 endif (NOT WIN32)
 163
 164 set(UIDWRAP_REQUIRED_LIBRARIES ${DLFCN_LIBRARY} CACHE INTERNAL "uidwrap required system libraries")