CMakeLists.txt

   1 CMAKE_MINIMUM_REQUIRED(VERSION 2.8.6)
   2 INCLUDE(CheckIncludeFiles)
   3 INCLUDE(TestBigEndian)
   4 INCLUDE(CheckCSourceCompiles)
   5 INCLUDE(GenerateExportHeader)
   6 PROJECT(libaec)
   7 SET(libaec_VERSION_MAJOR 0)
   8 SET(libaec_VERSION_MINOR 2)
   9 SET(CMAKE_BUILD_TYPE Release)
  10 ENABLE_TESTING()
  11
  12 CHECK_INCLUDE_FILES(malloc.h HAVE_MALLOC_H)
  13 CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H)
  14 TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
  15 CHECK_C_SOURCE_COMPILES(
  16   "int main(int argc, char *argv[])
  17 {return __builtin_clzll(1LL);}"
  18   HAVE_DECL___BUILTIN_CLZLL
  19   )
  20 IF (NOT HAVE_DECL___BUILTIN_CLZLL)
  21   CHECK_C_SOURCE_COMPILES(
  22     "int main(int argc, char *argv[])
  23 {unsigned long foo; unsigned __int64 bar=1LL;
  24 return _BitScanReverse64(&foo, bar);}"
  25     HAVE_BSR64
  26   )
  27 ENDIF (NOT HAVE_DECL___BUILTIN_CLZLL)
  28
  29 #Inspired from http://www.cmake.org/Wiki/CMakeTestInline
  30 SET(INLINE_TEST_SRC "/* Inspired by autoconf's c.m4 */
  31 static inline int static_foo(){return 0\;}
  32 int main(int argc, char *argv[]){return 0\;}
  33 ")
  34 FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCInline.c
  35   ${INLINE_TEST_SRC})
  36
  37 FOREACH(KEYWORD "inline" "__inline__" "__inline")
  38    IF(NOT DEFINED C_INLINE)
  39      TRY_COMPILE(C_HAS_${KEYWORD}
  40        ${CMAKE_CURRENT_BINARY_DIR}
  41        ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCInline.c
  42        COMPILE_DEFINITIONS "-Dinline=${KEYWORD}"
  43        )
  44      IF(C_HAS_${KEYWORD})
  45        SET(C_INLINE TRUE)
  46        ADD_DEFINITIONS("-Dinline=${KEYWORD}")
  47      ENDIF(C_HAS_${KEYWORD})
  48    ENDIF(NOT DEFINED C_INLINE)
  49 ENDFOREACH(KEYWORD)
  50
  51 IF(NOT DEFINED C_INLINE)
  52    ADD_DEFINITIONS("-Dinline=")
  53 ENDIF(NOT DEFINED C_INLINE)
  54
  55 SET(RESTRICT_TEST_SRC "/* Inspired by autoconf's c.m4 */
  56 int foo (int * restrict ip){return ip[0]\;}
  57 int main(int argc, char *argv[]){int s[1]\;
  58 int * restrict t = s\; t[0] = 0\; return foo(t)\;}
  59 ")
  60
  61 FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCRestrict.c
  62   ${RESTRICT_TEST_SRC})
  63
  64 FOREACH(KEYWORD "restrict" "__restrict" "__restrict__" "_Restrict")
  65    IF(NOT DEFINED C_RESTRICT)
  66      TRY_COMPILE(C_HAS_${KEYWORD}
  67        ${CMAKE_CURRENT_BINARY_DIR}
  68        ${CMAKE_CURRENT_BINARY_DIR}/CMakeTestCRestrict.c
  69        COMPILE_DEFINITIONS "-Drestrict=${KEYWORD}"
  70        )
  71      IF(C_HAS_${KEYWORD})
  72        SET(C_RESTRICT TRUE)
  73        ADD_DEFINITIONS("-Drestrict=${KEYWORD}")
  74      ENDIF(C_HAS_${KEYWORD})
  75    ENDIF(NOT DEFINED C_RESTRICT)
  76 ENDFOREACH(KEYWORD)
  77
  78 IF(NOT DEFINED C_RESTRICT)
  79    ADD_DEFINITIONS("-Drestrict=")
  80 ENDIF(NOT DEFINED C_RESTRICT)
  81
  82 CONFIGURE_FILE(
  83   ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
  84   ${CMAKE_CURRENT_BINARY_DIR}/config.h
  85   )
  86
  87 SET(BUILD_SHARED_LIBS FALSE)
  88 INCLUDE_DIRECTORIES("${PROJECT_BINARY_DIR}")
  89 INCLUDE_DIRECTORIES("${PROJECT_SOURCE_DIR}/src")
  90
  91 ADD_SUBDIRECTORY(src)
  92 IF(WIN32)
  93   ADD_SUBDIRECTORY(tests)
  94 ELSE(WIN32)
  95   ADD_SUBDIRECTORY(tests EXCLUDE_FROM_ALL)
  96 ENDIF(WIN32)