configure.ac: fix OpenMP flags with clang

d37844f2 · Tiago Peixoto · 8a90c677 · d37844f2
Commit d37844f2 authored Feb 06, 2017 by Tiago Peixoto
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configure.ac configure.ac +4 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -92,6 +92,10 @@ AC_ARG_ENABLE([openmp], [AS_HELP_STRING([--disable-openmp],[disable openmp [defa
                             [OPENMP_CXXFLAGS="-Wno-unknown-pragmas"])])
 if test ${USING_OPENMP} = yes; then
    AC_DEFINE([USING_OPENMP], 1, [using openmp])
+    dnl clang is retarded
+    if test "$(${CXX} --version | grep clang)x" != "x"; then
+        [OPENMP_CXXFLAGS="${OPENMP_CXXFLAGS} -lomp"]
+    fi
 fi
 [CXXFLAGS="${OPENMP_CXXFLAGS} ${CXXFLAGS}"]