Merge pull request #177 from iovisor/bblanco_dev

Enhance check for presence of static-libstdc++

Merge pull request #177 from iovisor/bblanco_dev
Enhance check for presence of static-libstdc++
9226552c · 4ast · a11aab85 · 8d4fea89 · 9226552c
Commit 9226552c authored Sep 03, 2015 by 4ast
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Showing with 7 additions and 1 deletion

src/cc/CMakeLists.txt src/cc/CMakeLists.txt +7 -1

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--- a/src/cc/CMakeLists.txt
+++ b/src/cc/CMakeLists.txt
@@ -22,7 +22,13 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 if (CMAKE_COMPILER_IS_GNUCC)
  execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
  if (GCC_VERSION VERSION_GREATER 4.9 OR GCC_VERSION VERSION_EQUAL 4.9)
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libstdc++")
+    execute_process(COMMAND ${CMAKE_C_COMPILER} -print-libgcc-file-name OUTPUT_VARIABLE GCC_LIB)
+    get_filename_component(GCC_DIR "${GCC_LIB}" DIRECTORY)
+    find_library(GCC_LIBSTDCPP libstdc++.a PATHS "${GCC_DIR}" NO_DEFAULT_PATH)
+    if (GCC_LIBSTDCPP)
+      message(STATUS "Using static-libstdc++")
+      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libstdc++")
+    endif()
  endif()
 endif()