Back out ee100983f921 (bug 895047) for build bustage

CLOSED TREE

Author: philor

build/unix/elfhack/Makefile.in

@@ -16,8 +16,6 @@ WRAP_LDFLAGS=
 
 include $(topsrcdir)/config/rules.mk
 
-DEFINES += -DELFHACK_BUILD
-
 test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX): %$(DLL_SUFFIX): %.$(OBJ_SUFFIX) elfhack $(filter inject/%,$(CSRCS:.c=.$(OBJ_SUFFIX)))
 	$(MKSHLIB) $(LDFLAGS) $< -nostartfiles
 	@echo ===

build/unix/elfhack/inject/Makefile.in

@@ -30,7 +30,5 @@ $(CSRCS): %.c: ../inject.c
 
 GARBAGE += $(CSRCS)
 
-DEFINES += -DELFHACK_BUILD
-
 CFLAGS := -O2 -fno-stack-protector $(filter -m% -I%,$(CFLAGS))
 $(CPU)-noinit.$(OBJ_SUFFIX): DEFINES += -DNOINIT

config/Makefile.in

@@ -128,7 +128,7 @@ GARBAGE += \
 ifndef CROSS_COMPILE
 ifdef USE_ELF_DYNSTR_GC
 elf-dynstr-gc: elf-dynstr-gc.c $(GLOBAL_DEPS) $(call mkdir_deps,$(MDDEPDIR))
-	$(CC) $(COMPILE_CFLAGS) $(GLIB_CFLAGS) -DELFDYNSTRGC_BUILD -o $@ $< $(LDFLAGS) $(GLIB_LIBS)
+	$(CC) $(COMPILE_CFLAGS) $(GLIB_CFLAGS) -o $@ $< $(LDFLAGS) $(GLIB_LIBS)
 endif
 endif
 

js/public/TypeDecls.h

@@ -50,7 +50,11 @@ struct jsid;
 typedef ptrdiff_t jsid;
 #endif
 
-typedef char16_t jschar;
+#ifdef WIN32
+typedef wchar_t  jschar;
+#else
+typedef uint16_t jschar;
+#endif
 
 namespace JS {
 

js/src/js-confdefs.h.in

@@ -10,6 +10,4 @@
 
 #include "js/RequiredDefines.h"
 
-#include "mozilla/Char16.h"
-
 #endif /* js_confdefs_h */

mfbt/Char16.h

@@ -14,6 +14,9 @@
  * character literals. C++11's char16_t is a distinct builtin type. C11's
  * char16_t is a typedef for uint_least16_t. Technically, char16_t is a 16-bit
  * code unit of a Unicode code point, not a "character".
+ *
+ * For now, Char16.h only supports C++ because we don't want mix different C
+ * and C++ definitions of char16_t in the same code base.
  */
 
 #ifdef _MSC_VER
@@ -36,26 +39,10 @@
     * typedef from wchar_t.
     */
 #  define MOZ_CHAR16_IS_NOT_WCHAR
-#elif !defined(__cplusplus)
-#  if defined(WIN32)
-#    include <yvals.h>
-     typedef wchar_t char16_t;
-#  else
-     /**
-      * We can't use the stdint.h uint16_t type here because including
-      * stdint.h will break building some of our C libraries, such as
-      * sqlite.
-      */
-     typedef unsigned short char16_t;
-#  endif
 #else
 #  error "Char16.h requires C++11 (or something like it) for UTF-16 support."
 #endif
 
-/* This is a temporary hack until bug 927728 is fixed. */
-#define __PRUNICHAR__
-typedef char16_t PRUnichar;
-
 /*
  * Macro arguments used in concatenation or stringification won't be expanded.
  * Therefore, in order for |MOZ_UTF16(FOO)| to work as expected (which is to
@@ -66,12 +53,9 @@ typedef char16_t PRUnichar;
  */
 #define MOZ_UTF16(s) MOZ_UTF16_HELPER(s)
 
-#if defined(__cplusplus) && \
-    (__cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__))
 static_assert(sizeof(char16_t) == 2, "Is char16_t type 16 bits?");
 static_assert(char16_t(-1) > char16_t(0), "Is char16_t type unsigned?");
 static_assert(sizeof(MOZ_UTF16('A')) == 2, "Is char literal 16 bits?");
 static_assert(sizeof(MOZ_UTF16("")[0]) == 2, "Is string char 16 bits?");
-#endif
 
 #endif /* mozilla_Char16_h */

mozilla-config.h.in

@@ -25,19 +25,6 @@
 #define __STDC_FORMAT_MACROS
 #endif
 
-/*
- * Force-include Char16.h in order to define PRUnichar as char16_t everywhere.
- * Note that this should be the first #include to make sure that prtypes.h does
- * not attempt to define PRUnichar.  This includes the following hunspell-specific
- * includes.
- *
- * We don't use this to build elfhack and elf-dynstr-gc since those builds happen
- * during the export tier.  Also, disable this when building assembly files too.
- */
-#if !defined(ELFHACK_BUILD) && !defined(ELFDYNSTRGC_BUILD) && !defined(__ASSEMBLER__)
-#include "mozilla/Char16.h"
-#endif
-
 /*
  * Force-include hunspell_alloc_hooks.h and hunspell_fopen_hooks.h for hunspell,
  * so that we don't need to modify them directly.

xpcom/base/nscore.h

@@ -325,6 +325,18 @@ typedef unsigned long nsrefcnt;
 typedef uint32_t nsrefcnt;
 #endif
 
+/* ------------------------------------------------------------------------ */
+/* Casting macros for hiding C++ features from older compilers */
+
+#ifndef __PRUNICHAR__
+#define __PRUNICHAR__
+  #if defined(WIN32)
+    typedef wchar_t PRUnichar;
+  #else
+    typedef uint16_t PRUnichar;
+  #endif
+#endif
+
 /*
  * Use these macros to do 64bit safe pointer conversions.
  */