CMakeLists.txt

   1 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
   2 INCLUDE(CheckIncludeFiles)
   3 INCLUDE(TestBigEndian)
   4 INCLUDE(CheckCSourceCompiles)
   5 PROJECT(libaec)
   6 SET(libaec_VERSION_MAJOR 0)
   7 SET(libaec_VERSION_MINOR 2)
   8 SET(CMAKE_BUILD_TYPE Release)
   9 ENABLE_TESTING()
  10
  11 CHECK_INCLUDE_FILES(malloc.h HAVE_MALLOC_H)
  12 CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H)
  13 TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
  14 CHECK_C_SOURCE_COMPILES(
  15   "int main(int argc, char *argv[])
  16 {return __builtin_clzll(1LL);}"
  17   HAVE_DECL___BUILTIN_CLZLL
  18   )
  19
  20 #Inspired from http://www.cmake.org/Wiki/CMakeTestInline
  21 SET(INLINE_TEST_SRC "/* Inspired by autoconf's c.m4 */
  22 static inline int static_foo(){return 0\;}
  23 int main(int argc, char *argv[]){return 0\;}
  24 ")
  25 FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCInline.c
  26   ${INLINE_TEST_SRC})
  27
  28 FOREACH(KEYWORD "inline" "__inline__" "__inline")
  29    IF(NOT DEFINED C_INLINE)
  30      TRY_COMPILE(C_HAS_${KEYWORD}
  31        ${CMAKE_CURRENT_BINARY_DIR}
  32        ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCInline.c
  33        COMPILE_DEFINITIONS "-Dinline=${KEYWORD}"
  34        )
  35      IF(C_HAS_${KEYWORD})
  36        SET(C_INLINE TRUE)
  37        ADD_DEFINITIONS("-Dinline=${KEYWORD}")
  38      ENDIF(C_HAS_${KEYWORD})
  39    ENDIF(NOT DEFINED C_INLINE)
  40 ENDFOREACH(KEYWORD)
  41
  42 IF(NOT DEFINED C_INLINE)
  43    ADD_DEFINITIONS("-Dinline=")
  44 ENDIF(NOT DEFINED C_INLINE)
  45
  46 SET(RESTRICT_TEST_SRC "/* Inspired by autoconf's c.m4 */
  47 int foo (int * restrict ip){return ip[0]\;}
  48 int main(int argc, char *argv[]){int s[1]\;
  49 int * restrict t = s\; t[0] = 0\; return foo(t)\;}
  50 ")
  51
  52 FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCRestrict.c
  53   ${RESTRICT_TEST_SRC})
  54
  55 FOREACH(KEYWORD "restrict" "__restrict" "__restrict__" "_Restrict")
  56    IF(NOT DEFINED C_RESTRICT)
  57      TRY_COMPILE(C_HAS_${KEYWORD}
  58        ${CMAKE_CURRENT_BINARY_DIR}
  59        ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCRestrict.c
  60        COMPILE_DEFINITIONS "-Drestrict=${KEYWORD}"
  61        )
  62      IF(C_HAS_${KEYWORD})
  63        SET(C_RESTRICT TRUE)
  64        ADD_DEFINITIONS("-Drestrict=${KEYWORD}")
  65      ENDIF(C_HAS_${KEYWORD})
  66    ENDIF(NOT DEFINED C_RESTRICT)
  67 ENDFOREACH(KEYWORD)
  68
  69 IF(NOT DEFINED C_RESTRICT)
  70    ADD_DEFINITIONS("-Drestrict=")
  71 ENDIF(NOT DEFINED C_RESTRICT)
  72
  73 CONFIGURE_FILE(
  74   ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
  75   ${CMAKE_CURRENT_BINARY_DIR}/config.h
  76   )
  77
  78 INCLUDE_DIRECTORIES("${PROJECT_BINARY_DIR}")
  79 ADD_SUBDIRECTORY(src)
  80 ADD_SUBDIRECTORY(tests EXCLUDE_FROM_ALL)