Commit da02ebe37e1f9a3f4477f3e67e05f6d4a68e3b0d
2013-12-02T11:59:31
Merge pull request #1978 from libgit2/rb/cmake-find-iconv Improve iconv finding for cmake
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac1032a..9c19a5a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ OPTION( ANDROID "Build for android NDK" OFF )
OPTION( USE_ICONV "Link with and use iconv library" OFF )
OPTION( USE_SSH "Link with libssh to enable SSH support" ON )
-IF(APPLE)
+IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
SET( USE_ICONV ON )
ENDIF()
@@ -82,12 +82,6 @@ FUNCTION(TARGET_OS_LIBRARIES target)
SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -lrt" PARENT_SCOPE)
ENDIF()
- IF(USE_ICONV)
- TARGET_LINK_LIBRARIES(${target} iconv)
- ADD_DEFINITIONS(-DGIT_USE_ICONV)
- SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -liconv" PARENT_SCOPE)
- ENDIF()
-
IF(THREADSAFE)
TARGET_LINK_LIBRARIES(${target} ${CMAKE_THREAD_LIBS_INIT})
ENDIF()
@@ -190,6 +184,7 @@ ELSE()
FILE(GLOB SRC_ZLIB deps/zlib/*.c deps/zlib/*.h)
ENDIF()
+# Optional external dependency: libssh2
IF (USE_SSH AND NOT MINGW)
FIND_PACKAGE(LIBSSH2 QUIET)
ENDIF()
@@ -200,6 +195,18 @@ IF (LIBSSH2_FOUND)
SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
ENDIF()
+# Optional external dependency: iconv
+IF (USE_ICONV)
+ FIND_PACKAGE(ICONV QUIET)
+ENDIF()
+IF (ICONV_FOUND)
+ ADD_DEFINITIONS(-DGIT_USE_ICONV)
+ IF(ICONV_LIBRARIES MATCHES "libiconv")
+ SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} -liconv")
+ ELSE()
+ SET(LIBGIT2_PC_REQUIRES "${LIBGIT2_PC_REQUIRES} iconv")
+ ENDIF()
+ENDIF()
# Platform specific compilation flags
IF (MSVC)
@@ -353,6 +360,7 @@ ENDIF()
ADD_LIBRARY(git2 ${SRC_H} ${SRC_GIT2} ${SRC_OS} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
TARGET_LINK_LIBRARIES(git2 ${SSL_LIBRARIES})
TARGET_LINK_LIBRARIES(git2 ${SSH_LIBRARIES})
+TARGET_LINK_LIBRARIES(git2 ${ICONV_LIBRARIES})
TARGET_OS_LIBRARIES(git2)
# Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
@@ -418,6 +426,7 @@ IF (BUILD_CLAR)
TARGET_LINK_LIBRARIES(libgit2_clar ${SSL_LIBRARIES})
TARGET_LINK_LIBRARIES(libgit2_clar ${SSH_LIBRARIES})
+ TARGET_LINK_LIBRARIES(libgit2_clar ${ICONV_LIBRARIES})
TARGET_OS_LIBRARIES(libgit2_clar)
MSVC_SPLIT_SOURCES(libgit2_clar)
diff --git a/cmake/Modules/FindIconv.cmake b/cmake/Modules/FindIconv.cmake
new file mode 100644
index 0000000..fb6d1e2
--- /dev/null
+++ b/cmake/Modules/FindIconv.cmake
@@ -0,0 +1,42 @@
+# - Try to find Iconv
+# Once done this will define
+#
+# ICONV_FOUND - system has Iconv
+# ICONV_INCLUDE_DIR - the Iconv include directory
+# ICONV_LIBRARIES - Link these to use Iconv
+# ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const
+#
+
+IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+ # Already in cache, be silent
+ SET(ICONV_FIND_QUIETLY TRUE)
+ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+
+FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
+
+FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv libiconv-2 c PATH)
+
+IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+ SET(ICONV_FOUND TRUE)
+ENDIF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+
+set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
+set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
+set(CMAKE_REQUIRED_INCLUDES)
+set(CMAKE_REQUIRED_LIBRARIES)
+
+IF(ICONV_FOUND)
+ IF(NOT ICONV_FIND_QUIETLY)
+ MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
+ ENDIF(NOT ICONV_FIND_QUIETLY)
+ELSE(ICONV_FOUND)
+ IF(Iconv_FIND_REQUIRED)
+ MESSAGE(FATAL_ERROR "Could not find Iconv")
+ ENDIF(Iconv_FIND_REQUIRED)
+ENDIF(ICONV_FOUND)
+
+MARK_AS_ADVANCED(
+ ICONV_INCLUDE_DIR
+ ICONV_LIBRARIES
+ ICONV_SECOND_ARGUMENT_IS_CONST
+)