From 49649a3f7b6aa883450d33afbd2b9437eec5f814 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@pandora.be>
Date: Mon, 15 Apr 2013 16:18:35 +0000
Subject: CMake: add LLVM_STATIC as cmake build option, so linux distributions
 can link LLVM dynamically. Patch by Dan Eicher.

---
 CMakeLists.txt | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 80008e24d95..ea22951f674 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -270,6 +270,8 @@ unset(PLATFORM_DEFAULT)
 
 # LLVM
 option(WITH_LLVM					"Use LLVM" OFF)
+option(LLVM_STATIC					"Link with LLVM static libraries" ON)
+mark_as_advanced(LLVM_STATIC)
 
 # disable for now, but plan to support on all platforms eventually
 option(WITH_MEM_JEMALLOC   "Enable malloc replacement (http://www.canonware.com/jemalloc)" OFF)
@@ -755,7 +757,7 @@ if(UNIX AND NOT APPLE)
 		if(NOT LLVM_VERSION)
 			set(LLVM_VERSION "3.0")
 		endif()
-		set(LLVM_STATIC YES)
+
 		if(LLVM_DIRECTORY)
 			FIND_PROGRAM(LLVM_CONFIG llvm-config-${LLVM_VERSION} HINTS ${LLVM_DIRECTORY}/bin NO_CMAKE_PATH)
 			if(NOT LLVM_CONFIG)
@@ -776,9 +778,17 @@ if(UNIX AND NOT APPLE)
 		execute_process(COMMAND ${LLVM_CONFIG} --libdir
 		                OUTPUT_VARIABLE LLVM_LIB_DIR
 		                OUTPUT_STRIP_TRAILING_WHITESPACE)
-		find_library(LLVM_LIBRARY
-		             NAMES LLVMAnalysis # first of a whole bunch of libs to get
-		             PATHS ${LLVM_LIB_DIR})
+
+		if(LLVM_STATIC)
+			find_library(LLVM_LIBRARY
+			             NAMES LLVMAnalysis # first of a whole bunch of libs to get
+			             PATHS ${LLVM_LIB_DIR})
+		else()
+			find_library(LLVM_LIBRARY
+			             NAMES LLVM-${LLVM_VERSION}
+			             PATHS ${LLVM_LIB_DIR})
+		endif()
+
 		message(STATUS "LLVM version  = ${LLVM_VERSION}")
 		message(STATUS "LLVM dir      = ${LLVM_DIRECTORY}")
 		message(STATUS "LLVM lib dir  = ${LLVM_LIB_DIR}")
@@ -1205,7 +1215,6 @@ elseif(WIN32)
 		if(WITH_LLVM)
 			set(LLVM_DIRECTORY ${LIBDIR}/llvm CACHE PATH	"Path to the LLVM installation")
 			file(GLOB LLVM_LIBRARY ${LLVM_DIRECTORY}/lib/*.lib)
-			set(LLVM_STATIC YES)
 		endif()
 	
 		if(WITH_OPENCOLORIO)
@@ -1414,7 +1423,6 @@ elseif(WIN32)
 				LLVMipo LLVMCore)
 			#imagehelp is needed by LLVM 3.1 on MinGW, check lib\Support\Windows\Signals.inc
 			set(PLATFORM_LINKLIBS "${PLATFORM_LINKLIBS} -limagehlp")
-			set(LLVM_STATIC YES)
 		endif()
 		
 		if(WITH_OPENCOLORIO)
@@ -1674,7 +1682,6 @@ elseif(APPLE)
 	if(WITH_LLVM)
 		set(LLVM_DIRECTORY ${LIBDIR}/llvm CACHE PATH	"Path to the LLVM installation")
 		set(LLVM_VERSION "3.1" CACHE STRING	"Version of LLVM to use")
-		set(LLVM_STATIC YES)
 		if(EXISTS "${LLVM_DIRECTORY}/bin/llvm-config")
 			set(LLVM_CONFIG "${LLVM_DIRECTORY}/bin/llvm-config")
 		else()
-- 
cgit v1.2.3