main/llvm: make it compile

- make it find dynamic linker
- set the target to i486-alpine-linux-uclibc

fixes #1798

3 files changed, 120 insertions, 64 deletions

diff --git a/main/llvm/APKBUILD b/main/llvm/APKBUILD
index c54b37064..798a2a438 100644
--- a/main/llvm/APKBUILD
+++ b/main/llvm/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: William Pitcock <nenolod@dereferenced.org>
 pkgname=llvm
 pkgver=3.2
-pkgrel=1
+pkgrel=2
 pkgdesc="low level virtual machine compiler system"
 arch="x86 x86_64"
 url="http://llvm.org/"
@@ -14,6 +14,7 @@ install=
 subpackages="clang $pkgname-dev $pkgname-doc $pkgname-libs"
 source="http://llvm.org/releases/$pkgver/llvm-$pkgver.src.tar.gz
 	http://llvm.org/releases/$pkgver/clang-$pkgver.src.tar.gz
+        llvm-3.2-alpine-linux.patch
 	"
 
 _builddir="$srcdir"/build
@@ -42,6 +43,14 @@ prepare() {
 
 build() {
 	cd "$_builddir"
+
+	export CBUILD
+	sed -i -e '/case "\${UNAME_MACHINE}:\${UNAME_SYSTEM}:\${UNAME_RELEASE}:\${UNAME_VERSION}" in/i \' \
+	        -e 'if [ x != "x$CBUILD" ]; then echo "$CBUILD"; exit; fi' \
+		../$pkgname-$pkgver.src/autoconf/config.guess \
+		../$pkgname-$pkgver.src/projects/sample/autoconf/config.guess \
+		|| return 1
+
 	../$pkgname-$pkgver.src/configure \
 		--prefix=/usr \
 		--sysconfdir=/etc \
@@ -50,6 +59,7 @@ build() {
 		--enable-ffi  \
 		--enable-shared \
 		|| return 1
+		# --build="$CBUILD" --host="$CHOST" --target="$CTARGET" \
 
 	# configure gets it wrong. We do have error_t
 	sed -i -e 's/.*undef HAVE_ERROR_T.*/#define HAVE_ERROR_T 1/'  \
@@ -89,4 +99,11 @@ libs() {
 }
 
 md5sums="71610289bbc819e3e15fdd562809a2d7  llvm-3.2.src.tar.gz
-3896ef4334df08563b05d0848ba80582  clang-3.2.src.tar.gz"
+3896ef4334df08563b05d0848ba80582  clang-3.2.src.tar.gz
+7c35c098d3f18bdf48d19ec889e22140  llvm-3.2-alpine-linux.patch"
+sha256sums="125090c4d26740f1d5e9838477c931ed7d9ad70d599ba265f46f3a42cb066343  llvm-3.2.src.tar.gz
+2aaaf03f7c0f6b16fe97ecc81247dc2bf2d4bec7620a77cc74670b7e07ff5658  clang-3.2.src.tar.gz
+5a16f907107781b4942714cf9d5e6ffcd21024f9f601f7b7dfb17108a62080d0  llvm-3.2-alpine-linux.patch"
+sha512sums="cc66171322dbbe40bcac0e0ea5b09df8ff52df63ded304f841f32f702270d6ab1512216413ee52498c3ebee8cd39c4cd23e3855d591944bc2ac0ae76f5be62cc  llvm-3.2.src.tar.gz
+99fc57d19b76c42af9821eaaa762056a926eb68178f6b7dd5e8bf092c9ee201a554b91d760d5a30a57f38102eae340e080ef8c6a39327f6881eda391b20b108d  clang-3.2.src.tar.gz
+b0982466670b63abde7787e4f1166c357ed2736ff23ce23511788441853bc14e5e9d25763d729dc33706200c39406138356d2cacee72057dc2b2852ea2b78174  llvm-3.2-alpine-linux.patch"
diff --git a/main/llvm/clang-3.1-alpine-linux.patch b/main/llvm/clang-3.1-alpine-linux.patch
deleted file mode 100644
index 8214261d7..000000000
--- a/main/llvm/clang-3.1-alpine-linux.patch
+++ /dev/null
@@ -1,62 +0,0 @@
---- ./tools/clang/lib/Driver/ToolChains.cpp.orig
-+++ ./tools/clang/lib/Driver/ToolChains.cpp
-@@ -1198,7 +1198,8 @@
-     "x86_64-suse-linux",
-     "x86_64-manbo-linux-gnu",
-     "x86_64-linux-gnu",
--    "x86_64-slackware-linux"
-+    "x86_64-slackware-linux",
-+    "x86_64-alpine-linux-uclibc"
-   };
-   static const char *const X86LibDirs[] = { "/lib32", "/lib" };
-   static const char *const X86Triples[] = {
-@@ -1210,7 +1211,8 @@
-     "i586-redhat-linux",
-     "i386-redhat-linux",
-     "i586-suse-linux",
--    "i486-slackware-linux"
-+    "i486-slackware-linux",
-+    "i486-alpine-linux-uclibc"
-   };
- 
-   static const char *const MIPSLibDirs[] = { "/lib" };
-@@ -1814,6 +1816,7 @@
- /// Linux toolchain (very bare-bones at the moment).
- 
- enum LinuxDistro {
-+  AlpineLinux,
-   ArchLinux,
-   DebianLenny,
-   DebianSqueeze,
-@@ -1935,6 +1938,9 @@
- 
-   if (!llvm::sys::fs::exists("/etc/arch-release", Exists) && Exists)
-     return ArchLinux;
-+
-+  if (!llvm::sys::fs::exists("/etc/alpine-release", Exists) && Exists)
-+    return AlpineLinux;
- 
-   return UnknownDistro;
- }
-diff --git a/tools/clang/lib/Driver/Tools.cpp b/tools/clang/lib/Driver/Tools.cpp
-index 6151e88..d811789 100644
---- a/tools/clang/lib/Driver/Tools.cpp
-+++ b/tools/clang/lib/Driver/Tools.cpp
-@@ -4308,7 +4308,7 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
-        !Args.hasArg(options::OPT_shared))) {
-     CmdArgs.push_back("-dynamic-linker");
-     if (ToolChain.getArch() == llvm::Triple::x86)
--      CmdArgs.push_back("/lib/ld-linux.so.2");
-+      CmdArgs.push_back("/lib/ld-uClibc.so.0.9.32");
-     else if (ToolChain.getArch() == llvm::Triple::arm ||
-              ToolChain.getArch() == llvm::Triple::thumb)
-       CmdArgs.push_back("/lib/ld-linux.so.3");
-@@ -4317,7 +4317,7 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
-     else if (ToolChain.getArch() == llvm::Triple::ppc64)
-       CmdArgs.push_back("/lib64/ld64.so.1");
-     else
--      CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");
-+      CmdArgs.push_back("/lib/ld64-uClibc.so.0.9.32");
-   }
- 
-   CmdArgs.push_back("-o");
diff --git a/main/llvm/llvm-3.2-alpine-linux.patch b/main/llvm/llvm-3.2-alpine-linux.patch
new file mode 100644
index 000000000..4064a0d4a
--- /dev/null
+++ b/main/llvm/llvm-3.2-alpine-linux.patch
@@ -0,0 +1,101 @@
+diff -urp llvm-3.2.src.orig/include/llvm/ADT/Triple.h llvm-3.2.src.new/include/llvm/ADT/Triple.h
+--- llvm-3.2.src.orig/include/llvm/ADT/Triple.h	2012-11-15 16:24:48.000000000 -0500
++++ llvm-3.2.src.new/include/llvm/ADT/Triple.h	2013-04-22 04:02:00.691571066 -0400
+@@ -115,7 +115,8 @@ public:
+     EABI,
+     MachO,
+     Android,
+-    ELF
++    ELF,
++    UClibc
+   };
+ 
+ private:
+diff -urp llvm-3.2.src.orig/lib/Support/Triple.cpp llvm-3.2.src.new/lib/Support/Triple.cpp
+--- llvm-3.2.src.orig/lib/Support/Triple.cpp	2012-11-15 16:24:48.000000000 -0500
++++ llvm-3.2.src.new/lib/Support/Triple.cpp	2013-04-22 04:02:04.568319294 -0400
+@@ -147,6 +147,7 @@ const char *Triple::getEnvironmentTypeNa
+   case MachO: return "macho";
+   case Android: return "android";
+   case ELF: return "elf";
++  case UClibc: return "uclibc";
+   }
+ 
+   llvm_unreachable("Invalid EnvironmentType!");
+@@ -293,6 +294,7 @@ static Triple::EnvironmentType parseEnvi
+     .StartsWith("macho", Triple::MachO)
+     .StartsWith("android", Triple::Android)
+     .StartsWith("elf", Triple::ELF)
++    .StartsWith("uclibc", Triple::UClibc)
+     .Default(Triple::UnknownEnvironment);
+ }
+ 
+diff -urp llvm-3.2.src.orig/tools/clang/lib/Driver/ToolChains.cpp llvm-3.2.src.new/tools/clang/lib/Driver/ToolChains.cpp
+--- llvm-3.2.src.orig/tools/clang/lib/Driver/ToolChains.cpp	2012-12-16 10:59:27.000000000 -0500
++++ llvm-3.2.src.new/tools/clang/lib/Driver/ToolChains.cpp	2013-04-22 04:02:08.788408080 -0400
+@@ -1070,7 +1070,8 @@ Generic_GCC::GCCInstallationDetector::GC
+     "x86_64-suse-linux",
+     "x86_64-manbo-linux-gnu",
+     "x86_64-linux-gnu",
+-    "x86_64-slackware-linux"
++    "x86_64-slackware-linux",
++    "x86_64-alpine-linux-uclibc"
+   };
+   static const char *const X86LibDirs[] = { "/lib32", "/lib" };
+   static const char *const X86Triples[] = {
+@@ -1083,7 +1084,8 @@ Generic_GCC::GCCInstallationDetector::GC
+     "i386-redhat-linux",
+     "i586-suse-linux",
+     "i486-slackware-linux",
+-    "i686-montavista-linux"
++    "i686-montavista-linux",
++    "i486-alpine-linux-uclibc"
+   };
+ 
+   static const char *const MIPSLibDirs[] = { "/lib" };
+@@ -1829,6 +1831,7 @@ Tool &Solaris::SelectTool(const Compilat
+ /// Linux toolchain (very bare-bones at the moment).
+ 
+ enum LinuxDistro {
++  AlpineLinux,
+   ArchLinux,
+   DebianLenny,
+   DebianSqueeze,
+@@ -1955,6 +1958,9 @@ static LinuxDistro DetectLinuxDistro(llv
+   if (!llvm::sys::fs::exists("/etc/arch-release", Exists) && Exists)
+     return ArchLinux;
+ 
++  if (!llvm::sys::fs::exists("/etc/alpine-release", Exists) && Exists)
++    return AlpineLinux;
++
+   return UnknownDistro;
+ }
+ 
+diff -urp llvm-3.2.src.orig/tools/clang/lib/Driver/Tools.cpp llvm-3.2.src.new/tools/clang/lib/Driver/Tools.cpp
+--- llvm-3.2.src.orig/tools/clang/lib/Driver/Tools.cpp	2012-11-21 02:56:23.000000000 -0500
++++ llvm-3.2.src.new/tools/clang/lib/Driver/Tools.cpp	2013-04-22 04:09:34.657814569 -0400
+@@ -5975,9 +5975,12 @@ void linuxtools::Link::ConstructJob(Comp
+     CmdArgs.push_back("-dynamic-linker");
+     if (isAndroid)
+       CmdArgs.push_back("/system/bin/linker");
+-    else if (ToolChain.getArch() == llvm::Triple::x86)
+-      CmdArgs.push_back("/lib/ld-linux.so.2");
+-    else if (ToolChain.getArch() == llvm::Triple::arm ||
++    else if (ToolChain.getArch() == llvm::Triple::x86) {
++      if (ToolChain.getTriple().getEnvironment() == llvm::Triple::UClibc)
++        CmdArgs.push_back("/lib/ld-uClibc.so.0.9.32");
++      else
++        CmdArgs.push_back("/lib/ld-linux.so.2");
++    } else if (ToolChain.getArch() == llvm::Triple::arm ||
+              ToolChain.getArch() == llvm::Triple::thumb) {
+       if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
+         CmdArgs.push_back("/lib/ld-linux-armhf.so.3");
+@@ -5998,6 +6001,8 @@ void linuxtools::Link::ConstructJob(Comp
+       CmdArgs.push_back("/lib/ld.so.1");
+     else if (ToolChain.getArch() == llvm::Triple::ppc64)
+       CmdArgs.push_back("/lib64/ld64.so.1");
++    else if (ToolChain.getTriple().getEnvironment() == llvm::Triple::UClibc)
++      CmdArgs.push_back("/lib64/ld64-uClibc.so.0.9.32");
+     else
+       CmdArgs.push_back("/lib64/ld-linux-x86-64.so.2");
+   }