Merge pull request #61 from prj-/jolivet/fix-position-independent

Set CMAKE_POSITION_INDEPENDENT_CODE if need be

Author: langou

BLACS/INSTALL/CMakeLists.txt

@@ -2,3 +2,4 @@ cmake_minimum_required(VERSION 2.8)
 project(INSTALL C Fortran)
 
 add_executable(xintface Fintface.f Cintface.c)
+set_property(TARGET xintface PROPERTY POSITION_INDEPENDENT_CODE TRUE)

CMakeLists.txt

@@ -101,6 +101,21 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${SCALAPACK_BINARY_DIR}/TESTING)
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${SCALAPACK_BINARY_DIR}/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${SCALAPACK_BINARY_DIR}/lib)
 
+# --------------------------------------------------
+# By default static library
+function (invertBoolean varName varValue)
+  if (${varValue})
+    set(${varName} false PARENT_SCOPE)
+  else ()
+    set(${varName} true PARENT_SCOPE)
+  endif ()
+endfunction ()
+option(BUILD_SHARED_LIBS "Build shared libraries" OFF )
+invertBoolean("BUILD_STATIC_LIBS" ${BUILD_SHARED_LIBS})
+if ((${BUILD_SHARED_LIBS} EQUAL ON) AND NOT CMAKE_POSITION_INDEPENDENT_CODE)
+  set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+endif ()
+
 # --------------------------------------------------
 # Check for any necessary platform specific compiler flags
 include( CheckBLACSCompilerFlags )
@@ -176,11 +191,6 @@ message(STATUS "LAPACK library: ${LAPACK_LIBRARIES}")
 
 MESSAGE(STATUS "=========")
 
-# --------------------------------------------------
-# By default static library
-OPTION(BUILD_SHARED_LIBS "Build shared libraries" OFF )
-OPTION(BUILD_STATIC_LIBS "Build static libraries" ON )
-
 # --------------------------------------------------
 # Subdirectories that need to be processed