Depend on libffi to allow the LLVM interpreter to call external functions

Build with RTTI enabled, needed by e.g. Rubinius (# 722714)
Fix multilib installation

clang-2.9-add_gcc_vers.patch

@@ -0,0 +1,12 @@
+--- clang-2.9/lib/Driver/ToolChains.cpp.add_gcc_vers	2011-03-21 22:29:27.000000000 +0100
++++ clang-2.9/lib/Driver/ToolChains.cpp	2011-08-01 18:20:29.504194241 +0200
+@@ -1449,7 +1449,8 @@
+       GccTriple = "i586-suse-linux";
+   }
+ 
+-  const char* GccVersions[] = {"4.5.2", "4.5.1", "4.5", "4.4.5", "4.4.4",
++  const char* GccVersions[] = {"4.6.1", "4.6.0",
++                               "4.5.2", "4.5.1", "4.5", "4.4.5", "4.4.4",
+                                "4.4.3", "4.4", "4.3.4", "4.3.3", "4.3.2",
+                                "4.3", "4.2.4", "4.2.3", "4.2.2", "4.2.1",
+                                "4.2"};

llvm-Config-config.h

@@ -0,0 +1,9 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+#include "config-32.h"
+#elif __WORDSIZE == 64
+#include "config-64.h"
+#else
+#error "Unknown word size"
+#endif

llvm-Config-llvm-config.h

@@ -0,0 +1,9 @@
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+#include "llvm-config-32.h"
+#elif __WORDSIZE == 64
+#include "llvm-config-64.h"
+#else
+#error "Unknown word size"
+#endif

llvm.spec

@@ -12,7 +12,7 @@
 
 Name:           llvm
 Version:        2.8
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        The Low Level Virtual Machine
 
 Group:          Development/Languages
@@ -20,19 +20,31 @@ License:        NCSA
 URL:            http://llvm.org/
 Source0:        http://llvm.org/releases/%{version}/llvm-%{version}.tgz
 Source1:        http://llvm.org/releases/%{version}/clang-%{version}.tgz
+# multilib fixes
+Source2:        llvm-Config-config.h
+Source3:        llvm-Config-llvm-config.h
+
 # Data files should be installed with timestamps preserved
 Patch0:         llvm-2.6-timestamp.patch
 # rename alignof -> alignOf for C++0x support
 # http://llvm.org/bugs/show_bug.cgi?id=8423
 Patch1:         llvm-2.8-alignOf.patch
 Patch2:         clang-2.8-alignOf.patch
+# Disable broken AVX code generation
+# http://llvm.org/bugs/show_bug.cgi?id=9508
 Patch3:         llvm-2.8-disable-avx.patch
 
+# clang link failure if system GCC version is unknown
+# http://llvm.org/bugs/show_bug.cgi?id=8897
+# Patch4:         clang-2.9-add_gcc_vers.patch
+
+
 BuildRequires:  bison
 BuildRequires:  chrpath
 BuildRequires:  flex
 BuildRequires:  gcc-c++ >= 3.4
 BuildRequires:  groff
+BuildRequires:  libffi-devel
 BuildRequires:  libtool-ltdl-devel
 %if %{with ocaml}
 BuildRequires:  ocaml-ocamldoc
@@ -64,6 +76,8 @@ Requires:       %{name} = %{version}-%{release}
 Requires:       libstdc++-devel >= 3.4
 Provides:       llvm-static = %{version}-%{release}
 
+Requires(posttrans): /usr/sbin/alternatives
+Requires(postun):    /usr/sbin/alternatives
 
 %description devel
 This package contains library and header files needed to develop new
@@ -207,12 +221,16 @@ HTML documentation for LLVM's OCaml binding.
 %setup -q -n llvm-%{version} -a1 %{?_with_gcc:-a2}
 mv clang-%{version} tools/clang
 
+# llvm patches
 %patch0 -p1 -b .timestamp
 %patch1 -p0 -b .alignOf
+%patch3 -p1 -b .avx
+
+# clang patches
 pushd tools/clang
 %patch2 -p0 -b .alignOf
+#patch3 -p1 -b .add_gcc_ver
 popd
-%patch3 -p1 -b .avx
 
 # Encoding fix
 #(cd tools/clang/docs && \
@@ -233,6 +251,7 @@ popd
   --disable-assertions \
   --enable-debug-runtime \
   --enable-jit \
+  --enable-libffi \
   --enable-shared \
   --with-c-include-dirs=%{_includedir}:$(find %{_prefix}/lib/gcc/*/* \
       -maxdepth 0 -type d)/include \
@@ -244,7 +263,7 @@ popd
 # configure does not properly specify libdir
 sed -i 's|(PROJ_prefix)/lib|(PROJ_prefix)/%{_lib}/%{name}|g' Makefile.config
 
-make %{_smp_mflags} \
+make %{_smp_mflags} REQUIRES_RTTI=1 \
 %ifarch ppc
   OPTIMIZE_OPTION="%{optflags} -fno-var-tracking-assignments"
 %else
@@ -252,17 +271,21 @@ make %{_smp_mflags} \
 %endif
 
 
-%check
-# no current unexpected failures. Use || true if they recur to force ignore
-make check 2>&1 | tee llvm-testlog.txt
-(cd tools/clang && make test 2>&1) | tee clang-testlog.txt
-
-
 %install
 rm -rf %{buildroot}
 make install DESTDIR=%{buildroot} \
      PROJ_docsdir=/moredocs
 
+# multilib fixes
+mv %{buildroot}%{_bindir}/llvm-config{,-%{__isa_bits}}
+
+pushd %{buildroot}%{_includedir}/llvm/Config
+mv config.h config-%{__isa_bits}.h
+cp -p %{SOURCE2} config.h
+mv llvm-config.h llvm-config-%{__isa_bits}.h
+cp -p %{SOURCE3} llvm-config.h
+popd
+
 # Create ld.so.conf.d entry
 mkdir -p %{buildroot}%{_sysconfdir}/ld.so.conf.d
 cat >> %{buildroot}%{_sysconfdir}/ld.so.conf.d/llvm-%{_arch}.conf << EOF
@@ -312,7 +335,7 @@ rm %{buildroot}%{_libdir}/%{name}/*LLVMHello.*
 
 # FIXME file this bug
 sed -i 's,ABS_RUN_DIR/lib",ABS_RUN_DIR/%{_lib}/%{name}",' \
-  %{buildroot}%{_bindir}/llvm-config
+  %{buildroot}%{_bindir}/llvm-config-%{__isa_bits}
 
 chmod -x %{buildroot}%{_libdir}/%{name}/*.a
 
@@ -321,6 +344,11 @@ chmod -x %{buildroot}%{_libdir}/%{name}/*.a
 find examples -name 'Makefile' | xargs -0r rm -f
 
 
+%check
+make check
+(cd tools/clang && make test)
+
+
 %post libs -p /sbin/ldconfig
 %post -n clang -p /sbin/ldconfig
 
@@ -329,13 +357,32 @@ find examples -name 'Makefile' | xargs -0r rm -f
 %postun -n clang -p /sbin/ldconfig
 
 
+%posttrans devel
+# link llvm-config to the platform-specific file;
+# use ISA bits as priority so that 64-bit is preferred
+# over 32-bit if both are installed
+alternatives \
+  --install \
+  %{_bindir}/llvm-config \
+  llvm-config \
+  %{_bindir}/llvm-config-%{__isa_bits} \
+  %{__isa_bits}
+
+%postun devel
+if [ $1 -eq 0 ]; then
+  alternatives --remove llvm-config \
+    %{_bindir}/llvm-config-%{__isa_bits}
+fi
+exit 0
+
+
 %files
 %defattr(-,root,root,-)
 %doc CREDITS.TXT LICENSE.TXT README.txt
 %{_bindir}/bugpoint
 %{_bindir}/llc
 %{_bindir}/lli
-%exclude %{_bindir}/llvm-config
+%exclude %{_bindir}/llvm-config-%{__isa_bits}
 %{_bindir}/llvm*
 %{_bindir}/opt
 %exclude %{_mandir}/man1/clang.1.*
@@ -344,7 +391,7 @@ find examples -name 'Makefile' | xargs -0r rm -f
 
 %files devel
 %defattr(-,root,root,-)
-%{_bindir}/llvm-config
+%{_bindir}/llvm-config-%{__isa_bits}
 %{_includedir}/%{name}
 %{_includedir}/%{name}-c
 %{_libdir}/%{name}/*.a
@@ -414,6 +461,11 @@ find examples -name 'Makefile' | xargs -0r rm -f
 
 
 %changelog
+* Tue Aug  2 2011 Michel Salim <salimma@fedoraproject.org> - 2.8-12
+- Depend on libffi to allow the LLVM interpreter to call external functions
+- Build with RTTI enabled, needed by e.g. Rubinius (# 722714)
+- Fix multilib installation
+
 * Tue Apr 26 2011 Adam Jackson <ajax@redhat.com> 2.8-11
 - llvm-2.8-disable-avx.patch: Disable AVX code generation. (#699896)