make it compile on OS X

source/amx/osdefs.h

@@ -37,6 +37,8 @@
 
 #if defined __FreeBSD__
    #include <sys/endian.h>
+#elif defined __APPLE__
+   #include <machine/endian.h>
 #elif defined LINUX
    #include <endian.h>
 #endif

source/compiler/CMakeLists.txt

@@ -43,6 +43,15 @@ endif()
 configure_file(svnrev.h.in svnrev.h)
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
+IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=0")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-logical-op-parentheses")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-ignored-attributes")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-incompatible-pointer-types-discards-qualifiers")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-format")
+ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+
 # The Pawn compiler shared library
 set(PAWNC_SRCS sc1.c sc2.c sc3.c sc4.c sc5.c sc6.c sc7.c
 	scexpand.c sci18n.c sclist.c scmemfil.c scstate.c scvars.c
@@ -66,7 +75,8 @@ add_library(pawnc SHARED ${PAWNC_SRCS})
 if(WATCOM)  #Watcom C/C++ does not support a .DEF file for the exports
   set_target_properties(pawnc PROPERTIES LINK_FLAGS "/exp=libpawnc")
 endif()
-if(UNIX AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+if(UNIX AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug"
+        AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   # Unix exports all symbols by default; we want only a very select few exported symbols
   add_custom_command(TARGET pawnc POST_BUILD COMMAND strip ARGS -K pc_compile -K pc_addconstant -K pc_addtag -K pc_enablewarning ${CMAKE_BINARY_DIR}/libpawnc.so)
 endif()

source/compiler/memfile.h

@@ -8,7 +8,7 @@
 #ifndef _INCLUDE_MEMFILE_H
 #define _INCLUDE_MEMFILE_H
 
-#ifdef MACOS
+#ifdef __APPLE__
   #include <malloc/malloc.h>
 #else
   #include <malloc.h>

source/compiler/sc1.c

@@ -40,6 +40,10 @@
   #include <binreloc.h> /* from BinReloc, see www.autopackage.org */
 #endif
 
+#if defined __APPLE__
+  #include <unistd.h>
+#endif
+
 #if defined FORTIFY
   #include <alloc/fortify.h>
 #endif
@@ -472,19 +476,20 @@ int pc_compile(int argc, char *argv[])
     char *tname,*sname;
     FILE *ftmp,*fsrc;
     int fidx;
+	ftmp = NULL;
     #if defined	__WIN32__ || defined _WIN32
       tname=_tempnam(NULL,"pawn");
     #elif defined __MSDOS__ || defined _Windows
       tname=tempnam(NULL,"pawn");
-    #elif defined(MACOS) && !defined(__MACH__)
-      /* tempnam is not supported for the Macintosh CFM build. */
-      error(104,get_sourcefile(1));
-      tname=NULL;
-      sname=NULL;
+    #elif defined(__APPLE__)
+      int tfd;
+      tfd=mkstemp("/tmp/pawnXXXXXX");
+      ftmp=fdopen(tfd, "wt");
     #else
       tname=tempnam(NULL,"pawn");
     #endif
-    ftmp=(FILE*)pc_createsrc(tname);
+    if (ftmp==NULL)
+      ftmp=(FILE*)pc_createsrc(tname);
     for (fidx=0; (sname=get_sourcefile(fidx))!=NULL; fidx++) {
       unsigned char tstring[128];
       fsrc=(FILE*)pc_opensrc(sname);

source/compiler/sc6.c

@@ -215,7 +215,7 @@ static char *stripwhitespace(char *str)
 {
   if (*str!='\0') {
     size_t len = strlen(str);
-    size_t i;
+    int i;
     for (i=len-1; i>=0; i--) {
       if (!isspace(str[i])) {
         str[i+1]='\0';

source/linux/sclinux.h

@@ -40,6 +40,12 @@
 # define __BIG_ENDIAN    BIG_ENDIAN
 #endif
 
+#if defined __APPLE__
+# define __BYTE_ORDER    BYTE_ORDER
+# define __LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
+# define __BIG_ENDIAN    __DARWIN_BIG_ENDIAN
+#endif
+
 #if !defined __BYTE_ORDER
 # error	"Can't figure computer byte order (__BYTE_ORDER macro not found)"
 #endif