Merge pull request json-c#312 from Tailmon/master

Fix CMake Build process improved for MinGW and MSYS2

CMakeLists.txt

@@ -10,6 +10,21 @@ if(MSVC)
   file(RENAME ${CMAKE_CURRENT_BINARY_DIR}/include/config.h.win32 ${CMAKE_CURRENT_BINARY_DIR}/include/config.h)
   file(COPY ./json_config.h.win32 DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)
   file(RENAME ${CMAKE_CURRENT_BINARY_DIR}/include/json_config.h.win32 ${CMAKE_CURRENT_BINARY_DIR}/include/json_config.h)
+elseif(MINGW)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -D_GNU_SOURCE=1")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -D_GNU_SOURCE=1")
+  if (MSYS OR CMAKE_GENERATOR STREQUAL "Unix Makefiles")
+    execute_process(COMMAND echo ${CMAKE_CURRENT_SOURCE_DIR} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+    execute_process(COMMAND sh autogen.sh WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+    execute_process(COMMAND sh ./configure WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+    file(COPY ./config.h DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)
+    file(COPY ./json_config.h DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)
+  else()
+    file(COPY ./config.h.win32 DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)
+    file(RENAME ${CMAKE_CURRENT_BINARY_DIR}/include/config.h.win32 ${CMAKE_CURRENT_BINARY_DIR}/include/config.h)
+    file(COPY ./json_config.h.win32 DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)
+    file(RENAME ${CMAKE_CURRENT_BINARY_DIR}/include/json_config.h.win32 ${CMAKE_CURRENT_BINARY_DIR}/include/json_config.h)
+  endif()
 elseif(UNIX)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror -D_GNU_SOURCE")

config.h.win32

@@ -8,24 +8,24 @@
 
 /* Define to 1 if you have the declaration of `INFINITY', and to 0 if you
    don't. */
-#if defined(_MSC_VER) && _MSC_VER >= 1800
+#if (defined(_MSC_VER) && _MSC_VER >= 1800) || defined(__MINGW32__)
 #define HAVE_DECL_INFINITY 1
 #endif
 
 /* Define to 1 if you have the declaration of `isinf', and to 0 if you don't.
    */
-#if defined(_MSC_VER) && _MSC_VER >= 1800
+#if (defined(_MSC_VER) && _MSC_VER >= 1800) || defined(__MINGW32__)
 #define HAVE_DECL_ISINF 1
 #endif
 
 /* Define to 1 if you have the declaration of `isnan', and to 0 if you don't.
    */
-#if defined(_MSC_VER) && _MSC_VER >= 1800
+#if (defined(_MSC_VER) && _MSC_VER >= 1800) || defined(__MINGW32__)
 #define HAVE_DECL_ISNAN 1
 #endif
 
 /* Define to 1 if you have the declaration of `nan', and to 0 if you don't. */
-#if defined(_MSC_VER) && _MSC_VER >= 1800
+#if (defined(_MSC_VER) && _MSC_VER >= 1800) || defined(__MINGW32__)
 #define HAVE_DECL_NAN 1
 #endif
 
@@ -76,7 +76,11 @@
 #define HAVE_SETLOCALE 1
 
 /* Define to 1 if you have the `snprintf' function. */
+#if defined(__MINGW32__)
+#define HAVE_SNPRINTF 1
+#else
 #undef HAVE_SNPRINTF
+#endif
 
 /* Define to 1 if you have the <stdarg.h> header file. */
 #define HAVE_STDARG_H 1
@@ -103,7 +107,11 @@
 #define HAVE_STRING_H 1
 
 /* Define to 1 if you have the `strncasecmp' function. */
+#if defined(__MINGW32__)
+#define HAVE_STRNCASECMP 1
+#else
 #undef HAVE_STRNCASECMP
+#endif
 
 /* Define to 1 if you have the <syslog.h> header file. */
 #undef HAVE_SYSLOG_H
@@ -112,7 +120,11 @@
 #define HAVE_SYS_CDEFS_H 1
 
 /* Define to 1 if you have the <sys/param.h> header file. */
+#if defined(__MINGW32__)
+#define HAVE_SYS_PARAM_H 1
+#else
 #undef HAVE_SYS_PARAM_H
+#endif
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #define HAVE_SYS_STAT_H 1
@@ -121,10 +133,18 @@
 #define HAVE_SYS_TYPES_H 1
 
 /* Define to 1 if you have the <unistd.h> header file. */
+#if defined(__MINGW32__)
+#define HAVE_UNISTD_H 1
+#else
 #undef HAVE_UNISTD_H
+#endif
 
 /* Define to 1 if you have the `vasprintf' function. */
+#if defined(__MINGW32__)
+#define HAVE_VASPRINTF 1
+#else
 #undef HAVE_VASPRINTF
+#endif
 
 /* Define to 1 if you have the `vprintf' function. */
 #define HAVE_VPRINTF 1

linkhash.c

@@ -23,7 +23,7 @@
 # include <endian.h>    /* attempt to define endianness */
 #endif
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__MINGW32__)
 # define WIN32_LEAN_AND_MEAN
 # include <windows.h>   /* Get InterlockedCompareExchange */
 #endif
@@ -452,7 +452,7 @@ static unsigned long lh_perllike_str_hash(const void *k)
 
 static unsigned long lh_char_hash(const void *k)
 {
-#if defined _MSC_VER
+#if defined _MSC_VER || defined __MINGW32__
 #define RANDOM_SEED_TYPE LONG
 #else
 #define RANDOM_SEED_TYPE int
@@ -474,7 +474,7 @@ static unsigned long lh_char_hash(const void *k)
 #endif
 #if defined USE_SYNC_COMPARE_AND_SWAP
 		(void)__sync_val_compare_and_swap(&random_seed, -1, seed);
-#elif defined _MSC_VER
+#elif defined _MSC_VER || defined __MINGW32__
 		InterlockedCompareExchange(&random_seed, seed, -1);
 #else
 #warning "racy random seed initializtion if used by multiple threads"