+= operator is wrong for USE_CMAKE

[Tobias Nygren <tnn%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Tobias Nygren <tnn%NetBSD.org@localhost>
Pushed By:	tnn
Date:		Thu Mar 10 14:49:01 2016 +0100
Changeset:	c116682320446cdbdc7c3bec8bdce2a85cc7efd9

Modified Files:
	clang-git/Makefile.common
	clang/Makefile.common
	compiler-rt-git/Makefile
	libcxx-git/Makefile

Log Message:
+= operator is wrong for USE_CMAKE

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=c116682320446cdbdc7c3bec8bdce2a85cc7efd9

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 clang-git/Makefile.common | 2 +-
 clang/Makefile.common     | 2 +-
 compiler-rt-git/Makefile  | 2 +-
 libcxx-git/Makefile       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diffs:
diff --git a/clang-git/Makefile.common b/clang-git/Makefile.common
index e3e967c..aaea899 100644
--- a/clang-git/Makefile.common
+++ b/clang-git/Makefile.common
@@ -17,7 +17,7 @@ CONFIGURE_DIRS=		${WRKDIR}/build
 CMAKE_ARG_PATH=		${WRKSRC}
 
 USE_LANGUAGES=		c c++
-USE_CMAKE+=		yes
+USE_CMAKE=		yes
 GCC_REQD+=		4.8
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LLVM_CONFIG_PATH}
diff --git a/clang/Makefile.common b/clang/Makefile.common
index fa59e1d..e03ed20 100644
--- a/clang/Makefile.common
+++ b/clang/Makefile.common
@@ -17,7 +17,7 @@ CONFIGURE_DIRS=		${WRKDIR}/build
 CMAKE_ARG_PATH=		${WRKSRC}
 
 USE_LANGUAGES=		c c++
-USE_CMAKE+=		yes
+USE_CMAKE=		yes
 GCC_REQD+=		4.8
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LLVM_CONFIG_PATH}
diff --git a/compiler-rt-git/Makefile b/compiler-rt-git/Makefile
index 7805b59..002599f 100644
--- a/compiler-rt-git/Makefile
+++ b/compiler-rt-git/Makefile
@@ -14,7 +14,7 @@ LICENSE=	modified-bsd OR mit
 WRKSRC=			${WRKDIR}/build
 
 USE_LANGUAGES=		c c++
-USE_CMAKE+=		yes
+USE_CMAKE=		yes
 GCC_REQD+=		4.8
 
 CMAKE_ARGS+=	-DCMAKE_BUILD_TYPE=Release
diff --git a/libcxx-git/Makefile b/libcxx-git/Makefile
index 2294879..6447d77 100644
--- a/libcxx-git/Makefile
+++ b/libcxx-git/Makefile
@@ -14,7 +14,7 @@ LICENSE=	modified-bsd OR mit
 WRKSRC=			${WRKDIR}/build
 
 USE_LANGUAGES=		c c++
-USE_CMAKE+=		yes
+USE_CMAKE=		yes
 GCC_REQD+=		4.8
 
 CMAKE_ARGS+=	-DCMAKE_BUILD_TYPE=Release