[mozjs17] Add patch to fix FTBFS on aarch64

[Peter Robinson]

commit 15c0732155546045e6d84155492787e6180a399a
Author: Peter Robinson <pbrobinson at gmail.com>
Date:   Mon Jan 6 22:43:24 2014 +0000

    Add patch to fix FTBFS on aarch64

 mozjs17-0001-Add-AArch64-support.patch |   59 ++++++++++++++++++++++++++++++++
 mozjs17.spec                           |    9 ++++-
 2 files changed, 66 insertions(+), 2 deletions(-)
---
diff --git a/mozjs17-0001-Add-AArch64-support.patch b/mozjs17-0001-Add-AArch64-support.patch
new file mode 100644
index 0000000..1965ff6
--- /dev/null
+++ b/mozjs17-0001-Add-AArch64-support.patch
@@ -0,0 +1,59 @@
+diff --git a/js/src/assembler/jit/ExecutableAllocator.h b/js/src/assembler/jit/ExecutableAllocator.h
+index c071c33..90764c3 100644
+--- a/js/src/assembler/jit/ExecutableAllocator.h
++++ b/js/src/assembler/jit/ExecutableAllocator.h
+@@ -382,6 +382,12 @@ public:
+     {
+         reprotectRegion(start, size, Executable);
+     }
++#elif WTF_CPU_AARCH64 && WTF_PLATFORM_LINUX
++    static void cacheFlush(void* code, size_t size)
++    {
++        intptr_t end = reinterpret_cast<intptr_t>(code) + size;
++        __builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(end));
++    }
+ #else
+     static void makeWritable(void*, size_t) {}
+     static void makeExecutable(void*, size_t) {}
+diff --git a/js/src/assembler/wtf/Platform.h b/js/src/assembler/wtf/Platform.h
+index 0c84896..e8763a7 100644
+--- a/js/src/assembler/wtf/Platform.h
++++ b/js/src/assembler/wtf/Platform.h
+@@ -325,6 +325,10 @@
+ #define WTF_THUMB_ARCH_VERSION 0
+ #endif
+ 
++/* CPU(AArch64) - 64-bit ARM */
++#if defined(__aarch64__)
++#define WTF_CPU_AARCH64 1
++#endif
+ 
+ /* WTF_CPU_ARMV5_OR_LOWER - ARM instruction set v5 or earlier */
+ /* On ARMv5 and below the natural alignment is required. 
+diff --git a/js/src/configure.in b/js/src/configure.in
+index 15605b2..19fd704 100644
+--- a/js/src/configure.in
++++ b/js/src/configure.in
+@@ -1121,6 +1121,10 @@ arm*)
+     CPU_ARCH=arm
+     ;;
+ 
++aarch64)
++    CPU_ARCH=aarch64
++    ;;
++
+ mips|mipsel)
+     CPU_ARCH="mips"
+     ;;
+diff --git a/mfbt/double-conversion/utils.h b/mfbt/double-conversion/utils.h
+index 0eec2d9..fe26dab 100644
+--- a/mfbt/double-conversion/utils.h
++++ b/mfbt/double-conversion/utils.h
+@@ -58,6 +58,7 @@
+     defined(__mips__) || defined(__powerpc__) || \
+     defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
+     defined(__SH4__) || defined(__alpha__) || \
++    defined(__aarch64__) || \
+     defined(_MIPS_ARCH_MIPS32R2)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
diff --git a/mozjs17.spec b/mozjs17.spec
index b0a8df5..ee60eb1 100644
--- a/mozjs17.spec
+++ b/mozjs17.spec
@@ -1,7 +1,7 @@
 Summary:	JavaScript interpreter and libraries
 Name:		mozjs17
 Version:	17.0.0
-Release:	8%{?dist}
+Release:	9%{?dist}
 License:	GPLv2+ or LGPLv2+ or MPLv1.1
 Group:		Development/Languages
 URL:		http://www.mozilla.org/js/
@@ -15,7 +15,8 @@ BuildRequires:	/usr/bin/autoconf-2.13
 Patch0:		js17-build-fixes.patch
 # makes mozjs to match js from xul 21
 Patch1:		js17-jsval.patch
-Patch2:         mozbug746112-no-decommit-on-large-pages.patch
+Patch2:		mozbug746112-no-decommit-on-large-pages.patch
+Patch3:		mozjs17-0001-Add-AArch64-support.patch
 
 %description
 JavaScript is the Netscape-developed object scripting language used in millions
@@ -41,6 +42,7 @@ rm js/src/ctypes/libffi -rf
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1 -b .aarch64
 chmod a+x configure
 (cd js/src && autoconf-2.13)
 
@@ -83,6 +85,9 @@ rm -f %{buildroot}%{_bindir}/js17-config
 %{_includedir}/js-17.0
 
 %changelog
+* Mon Jan  6 2014 Peter Robinson <pbrobinson at fedoraproject.org> 17.0.0-9
+- Add patch to fix FTBFS on aarch64
+
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 17.0.0-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild