To use ucontext on OSX gcc must be greater than 4.5

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 67a7a81..b4f48f4 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,13 +18,12 @@ set(SIMGRID_VERSION_MAJOR "3")
 set(SIMGRID_VERSION_MINOR "6")
 set(SIMGRID_VERSION_PATCH "0")
 
-
-
 set(release_version "${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}")
 set(libsimgrid_version "${release_version}")
 set(libgras_version "${release_version}")
 set(libsmpi_version "${release_version}")
 set(GCC_NEED_VERSION "4.0")
+set(APPLE_NEED_GCC_VERSION "4.6")
 
 ### SET THE LIBRARY EXTENSION AND GCC VERSION
 if(APPLE) #MAC

diff --git a/buildtools/Cmake/CompleteInFiles.cmake b/buildtools/Cmake/CompleteInFiles.cmake
index 492c173..49d1d00 100644 (file)
--- a/buildtools/Cmake/CompleteInFiles.cmake
+++ b/buildtools/Cmake/CompleteInFiles.cmake
@@ -697,6 +697,16 @@ if(ADDR2LINE)
 set(ADDR2LINE "${ADDR2LINE}/addr2line")
 endif(ADDR2LINE)
 
+
+
+### Check if OSX can compile with ucontext (with gcc 4.[1-5] it is broken)
+if(APPLE)
+    if(APPLE_NEED_GCC_VERSION GREATER COMPILER_C_VERSION_MAJOR_MINOR)
+        message(STATUS "Ucontext can't be used with this version of gcc (must be greater than 4.5")
+        set(HAVE_UCONTEXT_H 0)
+    endif(APPLE_NEED_GCC_VERSION GREATER COMPILER_C_VERSION_MAJOR_MINOR)
+endif(APPLE)
+
 ### File to create
 
 configure_file("${CMAKE_HOME_DIRECTORY}/src/context_sysv_config.h.in"                  "${CMAKE_BINARY_DIR}/src/context_sysv_config.h" @ONLY IMMEDIATE)