- fix linker errors for systems that have installed llvm

- let clang build llvm
- fix build on ${OSVERSION} < 800107

PR: ports/164467
Submitted by: maintainer, jyyou at cs.nctu.edu.tw
Approved by:	crees (mentor)

6 files changed, 90 insertions, 18 deletions

diff --git a/lang/rust/Makefile b/lang/rust/Makefile
index c2b6b5d2a8ac..9aadb929d29d 100644
--- a/lang/rust/Makefile
+++ b/lang/rust/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	rust
 PORTVERSION=	0.1
+PORTREVISION=	1
 CATEGORIES=	lang
 MASTER_SITES=	http://dl.rust-lang.org/dist/:source \
 		http://people.cs.nctu.edu.tw/~jyyou/rust/:boot
@@ -20,7 +21,7 @@ COMMENT=	A language with a focus on memory safety and concurrency
 OPTIONS=	CARGO	"Build with package manager" off
 
 RUST_SOURCE=	${DISTNAME}${EXTRACT_SUFX}
-RUST_BOOT=	rust-${PORTVERSION}-boot.tar.bz2
+RUST_BOOT=	rust-${PORTVERSION}-boot-${CC}.tar.bz2
 RUST_TARGET=	x86_64-unknown-freebsd
 
 ONLY_FOR_ARCHS=	amd64
@@ -43,10 +44,6 @@ CONFIGURE_ARGS+=	--enable-clang
 USE_GCC=	4.4+
 .endif
 
-.if ${OSVERSION} < 800107
-IGNORE=	needs tgammaf(3)
-.endif
-
 .if !defined(WITHOUT_CARGO)
 RUN_DEPENDS+=	curl:${PORTSDIR}/ftp/curl \
 		git:${PORTSDIR}/devel/git \
@@ -66,10 +63,18 @@ post-extract:
 
 post-patch:
 	${REINPLACE_CMD} \
+	    -e '/probe_need CFG_CURL/d' \
+	    ${WRKSRC}/configure
+	${REINPLACE_CMD} \
 	    -e '/src\/etc\/get-snapshot.py $$(CFG_HOST_TRIPLE)/d' \
 	    ${WRKSRC}/mk/stage0.mk
 	${REINPLACE_CMD} \
 	    -e 's|\$$(PREFIX_ROOT)/share/man|${MANPREFIX}/man|g' \
 	    ${WRKSRC}/mk/install.mk
+.if ${OSVERSION} >= 900044
+	${REINPLACE_CMD} \
+	    -e 's|prog: str = "gcc"|prog: str = "clang"|' \
+	    ${WRKSRC}/src/comp/back/link.rs
+.endif
 
 .include <bsd.port.post.mk>
diff --git a/lang/rust/distinfo b/lang/rust/distinfo
index 5322898a4910..73db14e14694 100644
--- a/lang/rust/distinfo
+++ b/lang/rust/distinfo
@@ -1,4 +1,8 @@
 SHA256 (rust-0.1.tar.gz) = a1a234592168443b3bd6dce03378ee410393b07f8075c6a56e339638fdda8263
 SIZE (rust-0.1.tar.gz) = 10601377
-SHA256 (rust-0.1-boot.tar.bz2) = 682a8f4c735940e1f2e115adfbffde4838989e820a4f551576c0c9b4be1a0d2e
-SIZE (rust-0.1-boot.tar.bz2) = 9759370
+SHA256 (rust-0.1-boot-clang.tar.bz2) = cb920a23c04a1530ba0d74efd6464b1b42b55fdb7fbb22763ea9bd94675de6ee
+SIZE (rust-0.1-boot-clang.tar.bz2) = 7818448
+SHA256 (rust-0.1-boot-gcc44.tar.bz2) = 682a8f4c735940e1f2e115adfbffde4838989e820a4f551576c0c9b4be1a0d2e
+SIZE (rust-0.1-boot-gcc44.tar.bz2) = 9759370
+SHA256 (rust-0.1-boot-gcc46.tar.bz2) = 682a8f4c735940e1f2e115adfbffde4838989e820a4f551576c0c9b4be1a0d2e
+SIZE (rust-0.1-boot-gcc46.tar.bz2) = 9759370
diff --git a/lang/rust/files/patch-configure b/lang/rust/files/patch-configure
index f12475d8b42e..6dfa1b14c2cd 100644
--- a/lang/rust/files/patch-configure
+++ b/lang/rust/files/patch-configure
@@ -1,14 +1,6 @@
---- configure.orig	2012-01-22 04:29:36.401802685 +0800
-+++ configure	2012-01-22 11:40:28.231803897 +0800
-@@ -281,7 +281,6 @@
- 
- probe_need CFG_PERL         perl
- probe_need CFG_PYTHON       python python2.6 python2 python3
--probe_need CFG_CURL         curl
- 
- probe CFG_GIT              git
- probe CFG_CLANG            clang++
-@@ -340,7 +339,8 @@
+--- ./configure.orig	2012-01-26 10:47:57.178803535 +0800
++++ ./configure	2012-01-26 10:48:24.324805426 +0800
+@@ -340,7 +340,8 @@
      CFG_CLANG_VERSION=$("$CFG_CLANG" \
                        --version \
                        | grep version \
@@ -18,3 +10,31 @@
  
      case $CFG_CLANG_VERSION in
          (3.0svn | 3.0 | 3.1)
+@@ -534,14 +535,23 @@
+ 	# Disable unused LLVM features
+ 	LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs --disable-jit --enable-bindings=none --disable-threads --disable-pthreads"
+ 
+-	LLVM_CXX_32="g++ -m32"
+-	LLVM_CC_32="gcc -m32"
++	if [ "$CFG_C_COMPILER" = "clang" ]
++	then
++	    LLVM_CXX_32="clang++ -m32"
++	    LLVM_CC_32="clang -m32"
++	    LLVM_CXX_64="clang++"
++	    LLVM_CC_64="clang"
++	else
++	    LLVM_CXX_32="g++ -m32"
++	    LLVM_CC_32="gcc -m32"
++	    LLVM_CXX_64="g++"
++	    LLVM_CC_64="gcc"
++	fi
++
+ 	LLVM_CFLAGS_32="-m32"
+ 	LLVM_CXXFLAGS_32="-m32"
+ 	LLVM_LDFLAGS_32="-m32"
+ 
+-	LLVM_CXX_64="g++"
+-	LLVM_CC_64="gcc"
+ 	LLVM_CFLAGS_64=""
+ 	LLVM_CXXFLAGS_64=""
+ 	LLVM_LDFLAGS_64=""
diff --git a/lang/rust/files/patch-mk__rustllvm.mk b/lang/rust/files/patch-mk__rustllvm.mk
new file mode 100644
index 000000000000..8a83256a55ad
--- /dev/null
+++ b/lang/rust/files/patch-mk__rustllvm.mk
@@ -0,0 +1,11 @@
+--- ./mk/rustllvm.mk.orig	2012-01-21 05:09:09.000000000 +0800
++++ ./mk/rustllvm.mk	2012-01-26 10:41:49.661804374 +0800
+@@ -37,7 +37,7 @@
+ 
+ rustllvm/$(1)/%.o: rustllvm/%.cpp $$(MKFILE_DEPS) $$(LLVM_CONFIG_$(1))
+ 	@$$(call E, compile: $$@)
+-	$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, $$(LLVM_CXXFLAGS_$(1)) $$(RUSTLLVM_INCS_$(1))) $$<
++	$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, $$(subst -I, -iquote , $$(LLVM_CXXFLAGS_$(1))) $$(RUSTLLVM_INCS_$(1))) $$<
+ endef
+ 
+ # Instantiate template for all stages
diff --git a/lang/rust/files/patch-src_libcore_cmath.rs b/lang/rust/files/patch-src_libcore_cmath.rs
new file mode 100644
index 000000000000..1756e7679774
--- /dev/null
+++ b/lang/rust/files/patch-src_libcore_cmath.rs
@@ -0,0 +1,10 @@
+--- src/libcore/cmath.rs.orig	2012-02-02 09:08:04.690802969 +0800
++++ src/libcore/cmath.rs	2012-02-02 09:12:37.705978161 +0800
+@@ -161,7 +161,6 @@
+     #[link_name="sqrtf"] pure fn sqrt(n: c_float) -> c_float;
+     #[link_name="tanf"] pure fn tan(n: c_float) -> c_float;
+     #[link_name="tanhf"] pure fn tanh(n: c_float) -> c_float;
+-    #[link_name="tgammaf"] pure fn tgamma(n: c_float) -> c_float;
+     #[link_name="truncf"] pure fn trunc(n: c_float) -> c_float;
+ }
+ 
diff --git a/lang/rust/files/patch-src_libcore_f32.rs b/lang/rust/files/patch-src_libcore_f32.rs
new file mode 100644
index 000000000000..8be7ef7cc9fa
--- /dev/null
+++ b/lang/rust/files/patch-src_libcore_f32.rs
@@ -0,0 +1,22 @@
+--- src/libcore/f32.rs.orig	2012-02-02 09:20:38.079803515 +0800
++++ src/libcore/f32.rs	2012-02-02 09:20:53.241930085 +0800
+@@ -9,6 +9,8 @@
+ import cmath::c_float::*;
+ import cmath::c_float_targ_consts::*;
+ 
++import cmath::c_double;
++
+ type t = f32;
+ 
+ // These are not defined inside consts:: for consistency with
+@@ -247,6 +249,10 @@
+     ret ln(n) / consts::ln_2;
+ }
+ 
++pure fn tgamma(n: f32) -> f32 {
++    ret c_double::tgamma(n as f64) as f32;
++}
++
+ //
+ // Local Variables:
+ // mode: rust