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authorFlorent Le Coz <louiz@louiz.org>2013-11-10 03:18:08 +0100
committerFlorent Le Coz <louiz@louiz.org>2013-11-10 03:18:08 +0100
commitef014f7ddf8fd603a4238f5ed4878d7038ce162d (patch)
tree9b941900312c91f52c9a8752dd276e31c7583bd6
parent6a43d350bed472f8e52525d9afc2d40ee72cef7e (diff)
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Properly detect iconv features to compile
-rw-r--r--CMakeLists.txt5
-rw-r--r--cmake/Modules/FindIconv.cmake57
-rw-r--r--src/utils/encoding.cpp9
3 files changed, 68 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ec9dd0..f651723 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,14 +13,16 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -fsanitize=address")
#
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
find_package(Cryptopp REQUIRED)
+find_package(Iconv REQUIRED)
include(FindEXPAT)
find_package(EXPAT REQUIRED)
include_directories("src/")
+include_directories(${EXPAT_INCLUDE_DIRS})
+include_directories(${ICONV_INCLUDE_DIR})
# the SYSTEM flag tells the compiler that we don't care about warnings
# coming from these headers.
include_directories(SYSTEM ${CRYPTO++_INCLUDE_DIR})
-include_directories(SYSTEM ${EXPAT_INCLUDE_DIRS})
#
## utils
@@ -28,6 +30,7 @@ include_directories(SYSTEM ${EXPAT_INCLUDE_DIRS})
file(GLOB source_utils
src/utils/*.[hc]pp)
add_library(utils STATIC ${source_utils})
+target_link_libraries(utils ${ICONV_LIBRARIES})
#
## network
diff --git a/cmake/Modules/FindIconv.cmake b/cmake/Modules/FindIconv.cmake
new file mode 100644
index 0000000..c957af6
--- /dev/null
+++ b/cmake/Modules/FindIconv.cmake
@@ -0,0 +1,57 @@
+# - 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
+#
+include(CheckCXXSourceCompiles)
+
+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)
+
+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})
+IF(ICONV_FOUND)
+ check_cxx_source_compiles("
+ #include <iconv.h>
+ int main(){
+ iconv_t conv = 0;
+ const char* in = 0;
+ size_t ilen = 0;
+ char* out = 0;
+ size_t olen = 0;
+ iconv(conv, &in, &ilen, &out, &olen);
+ return 0;
+ }
+" ICONV_SECOND_ARGUMENT_IS_CONST )
+ENDIF(ICONV_FOUND)
+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
+) \ No newline at end of file
diff --git a/src/utils/encoding.cpp b/src/utils/encoding.cpp
index a1bc01b..2a6aecb 100644
--- a/src/utils/encoding.cpp
+++ b/src/utils/encoding.cpp
@@ -75,10 +75,15 @@ namespace utils
// Make sure cd is always closed when we leave this function
ScopeGuard sg([&]{ iconv_close(cd); });
- // iconv will not attempt to modify this buffer, but it still requires
- // a char**.
size_t inbytesleft = str.size();
+
+ // iconv will not attempt to modify this buffer, but some plateform
+ // require a char** anyway
+#ifdef ICONV_SECOND_ARGUMENT_IS_CONST
+ const char* inbuf_ptr = str.c_str();
+#else
char* inbuf_ptr = const_cast<char*>(str.c_str());
+#endif
size_t outbytesleft = str.size() * 4;
char* outbuf = new char[outbytesleft];