Add support for RISC-V (riscv64)

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>

qt5-qtwebkit.spec

@@ -15,7 +15,7 @@
 
 Name:           qt5-%{qt_module}
 Version:        5.212.0
-Release:        0.23.%{?prerel}%{?dist}
+Release:        0.23.%{?prerel}.0.riscv64%{?dist}
 Summary:        Qt5 - QtWebKit components
 
 License:        LGPLv2 and BSD
@@ -37,6 +37,9 @@ Patch2:         qtwebkit-5.212.0_cmake_cmp0071.patch
 # Patch to fix for missing source file.
 Patch3:         qtwebkit-5.212.0_fix_missing_sources.patch
 
+# Enable RISC-V (riscv64)
+Patch4:         qtwebkit-5.212.0-alpha2-add-riscv.patch
+
 # disable ES6 Proxy
 Patch31: 0031-Disable-ES6-Proxy-object.patch
 
@@ -130,7 +133,7 @@ BuildArch: noarch
 
 # Decrease debuginfo even on ix86 because of:
 # https://bugs.webkit.org/show_bug.cgi?id=140176
-%ifarch s390 s390x %{arm} %{ix86} ppc %{power64} %{mips}
+%ifarch s390 s390x %{arm} %{ix86} ppc %{power64} %{mips} riscv64
 # Decrease debuginfo verbosity to reduce memory consumption even more
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
@@ -143,6 +146,11 @@ BuildArch: noarch
 CFLAGS="${CFLAGS:-%optflags}" ; export CFLAGS ;
 CXXFLAGS="${CXXFLAGS:-%optflags} -fpermissive" ; export CXXFLAGS ;
 %{?__global_ldflags:LDFLAGS="${LDFLAGS:-%__global_ldflags}" ; export LDFLAGS ;}
+
+%ifarch riscv64
+export LDFLAGS="${LDFLAGS} -latomic"
+%endif
+
 # We cannot use default cmake macro here as it overwrites some settings queried
 # by qtwebkit cmake from qmake
 cmake -DPORT=Qt \
@@ -151,7 +159,7 @@ cmake -DPORT=Qt \
        -DCMAKE_C_FLAGS_RELEASE:STRING="-DNDEBUG" \
        -DCMAKE_CXX_FLAGS_RELEASE:STRING="-DNDEBUG" \
        -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
-%ifarch s390 s390x ppc %{power64}
+%ifarch s390 s390x ppc %{power64} riscv64
        -DENABLE_JIT=OFF \
 %endif
 %ifarch s390 s390x ppc %{power64}
@@ -232,6 +240,9 @@ sed -i "s,Libs: -L%{_qt5_libdir}/qt5/../ -lQt5WebKitWidgets,Libs: -L%{_qt5_libdi
 
 
 %changelog
+* Fri Jun 22 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 5.212.0-0.23.alpha2.0.riscv64
+- add support for RISC-V (riscv64)
+
 * Wed Jun 20 2018 Rex Dieter <rdieter@fedoraproject.org> - 5.212.0-0.23.alpha2
 - rebuild (qt5)
 

qtwebkit-5.212.0-alpha2-add-riscv.patch

@@ -0,0 +1,113 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1f9bab8..d5aa2ee 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -86,6 +86,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
+     set(WTF_CPU_S390 1)
+ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
+     set(WTF_CPU_S390X 1)
++elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
++    set(WTF_CPU_RISCV64 1)
+ else ()
+     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
+ endif ()
+diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
+index 1957446..96255d6 100644
+--- a/Source/JavaScriptCore/CMakeLists.txt
++++ b/Source/JavaScriptCore/CMakeLists.txt
+@@ -1289,6 +1289,7 @@ elseif (WTF_CPU_MIPS)
+ elseif (WTF_CPU_SH4)
+ elseif (WTF_CPU_X86)
+ elseif (WTF_CPU_X86_64)
++elseif (WTF_CPU_RISCV64)
+     if (MSVC AND ENABLE_JIT)
+         add_custom_command(
+             OUTPUT ${DERIVED_SOURCES_DIR}/JITStubsMSVC64.obj
+diff --git a/Source/ThirdParty/brotli/dec/port.h b/Source/ThirdParty/brotli/dec/port.h
+index 19b457c..be1b2ad 100644
+--- a/Source/ThirdParty/brotli/dec/port.h
++++ b/Source/ThirdParty/brotli/dec/port.h
+@@ -66,6 +66,10 @@
+ #define BROTLI_TARGET_POWERPC64
+ #endif
+ 
++#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
++#define BROTLI_TARGET_RISCV64
++#endif
++
+ #if defined(__GNUC__) && defined(__GNUC_MINOR__)
+ #define BROTLI_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
+ #else
+@@ -180,7 +184,7 @@ static inline void BrotliDump(const char* f, int l, const char* fn) {
+ #elif defined(BROTLI_BUILD_32_BIT)
+ #define BROTLI_64_BITS 0
+ #elif defined(BROTLI_TARGET_X64) || defined(BROTLI_TARGET_ARMV8) || \
+-    defined(BROTLI_TARGET_POWERPC64)
++    defined(BROTLI_TARGET_POWERPC64) || defined(BROTLI_TARGET_RISCV64)
+ #define BROTLI_64_BITS 1
+ #else
+ #define BROTLI_64_BITS 0
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+index 3f2069e..d4e02a8 100644
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -176,6 +176,11 @@
+ #define WTF_CPU_X86_SSE2 1
+ #endif
+ 
++/* CPU(RISCV64) - RISCV64 */
++#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
++#define WTF_CPU_RISCV64 1
++#endif
++
+ /* CPU(ARM64) - Apple */
+ #if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
+ #define WTF_CPU_ARM64 1
+@@ -712,7 +717,8 @@
+     || CPU(S390X) \
+     || CPU(MIPS64) \
+     || CPU(PPC64) \
+-    || CPU(PPC64LE)
++    || CPU(PPC64LE) \
++    || CPU(RISCV64)
+ #define USE_JSVALUE64 1
+ #else
+ #define USE_JSVALUE32_64 1
+diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
+index 889642c..176d590 100644
+--- a/Source/WTF/wtf/dtoa/utils.h
++++ b/Source/WTF/wtf/dtoa/utils.h
+@@ -49,7 +49,7 @@
+ defined(__ARMEL__) || \
+ defined(_MIPS_ARCH_MIPS32R2)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
++#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(RISCV64)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__)
+ #if defined(_WIN32)
+diff --git a/Tools/Scripts/webkitdirs.pm b/Tools/Scripts/webkitdirs.pm
+index 84b18c7..b64d9d1 100755
+--- a/Tools/Scripts/webkitdirs.pm
++++ b/Tools/Scripts/webkitdirs.pm
+@@ -1264,6 +1264,11 @@ sub isARM()
+     return ($Config{archname} =~ /^arm[v\-]/) || ($Config{archname} =~ /^aarch64[v\-]/);
+ }
+ 
++sub isRISCV()
++{
++    return ($Config{archname} =~ /^riscv(|32|64)\-/);
++}
++
+ sub isX86_64()
+ {
+     return (architecture() eq "x86_64") || 0;
+@@ -2064,7 +2069,7 @@ sub generateBuildSystemFromCMakeProject
+     # Compiler options to keep floating point values consistent
+     # between 32-bit and 64-bit architectures.
+     determineArchitecture();
+-    if ($architecture ne "x86_64" && !isARM() && !isCrossCompilation() && !isAnyWindows()) {
++    if ($architecture ne "x86_64" && !isARM() && !isRISCV && !isCrossCompilation() && !isAnyWindows()) {
+         $ENV{'CXXFLAGS'} = "-march=pentium4 -msse2 -mfpmath=sse " . ($ENV{'CXXFLAGS'} || "");
+     }
+