Changeset 62 for sources/configure.ac

Timestamp:

Feb 16, 2017, 3:46:11 PM (8 years ago)

Author:

meunier

Message:

• Functional (or supposedly functional) OpenMP support configure must be run with --enable-use-omp and the topcell must define the USE_OPENMP flag before including the .h files of systemcass (if openmp enabled).

File:

• sources/configure.ac (modified) (2 diffs)

sources/configure.ac

@@ -38 +38 @@
 
 MY_ARG_ENABLE(debug, [Enable debugging], [no])
+MY_ARG_ENABLE(use_omp, [Compile with OpenMP activated], [no])
 
 MY_ARG_ENABLE(default_runtime_compilation, [Compile scheduling code], [no])
 
 # Also set -DNDEBUG when not debugging, this disables assert()s
-AS_IF([test "x$do_debug"  = "xyes"], [CXXFLAGS="-g"         ],
+AS_IF([test "x$do_debug"  = "xyes"], [CXXFLAGS="-g"],
       [test "x$do_debug" != "xyes"], [CXXFLAGS="-O2 -DNDEBUG"])
+
+AS_IF([test "x$do_use_omp"  = "xyes"], [CXXFLAGS+=" -DUSE_OPENMP"],
+      [test "x$do_use_omp" != "xyes"], [CXXFLAGS+=""])
 
 case $target_os in
@@ -90 +94 @@
 
 # OpenMP
-AC_OPENMP([C])
-AC_CHECK_LIB(dl, dlopen, , )
-AC_CHECK_LIB(gomp, omp_get_thread_num, , )
+AS_IF([test "x$do_use_omp" = "xyes"],
+    [AC_OPENMP([C])
+    AC_CHECK_LIB(dl, dlopen, , )
+    AC_CHECK_LIB(gomp, omp_get_thread_num, , )]
+)
 
 AM_CONDITIONAL(BUILD_DOCS,