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This OpenMP library finding code is from ImageMagick's configure.ac
http://bugs.gentoo.org/314095
--- a/configure.in
+++ b/configure.in
@@ -44,6 +44,20 @@
CFLAGS="$CFLAGS $OPENMP_CFLAGS"
CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
+dnl Find OpenMP library
+GOMP_LIBS=''
+if test "$enable_openmp" != 'no'; then
+ if test "${GCC}" = "yes"; then
+ AC_CHECK_LIB(gomp,GOMP_parallel_start,GOMP_LIBS="-lgomp",,) # gcc
+ else
+ AC_CHECK_LIB(mtsk,sunw_mp_register_warn,GOMP_LIBS="-lmtsk",,) # solaris cc
+ AC_CHECK_LIB(xlsmp,_xlsmpFlush,GOMP_LIBS="-lxlsmp",,) # AIX xlc
+ AC_CHECK_LIB(mp,mp_destroy,GOMP_LIBS="-lmp",,) # SGI IRIX 6.5 MIPSpro C/C++
+ fi
+ LIBS="$GOMP_LIBS $LIBS"
+fi
+AC_SUBST(GOMP_LIBS)
+
dnl files to be generated
AC_OUTPUT(Makefile inc/Makefile inc/Minuit2/Makefile inc/Math/Makefile src/Makefile
doc/Doxyfile doc/Makefile test/Makefile test/MnSim/Makefile
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -9,6 +9,8 @@
# The convenience library to be built.
lib_LTLIBRARIES = libMinuit2.la
+libMinuit2_la_LIBADD = $(GOMP_LIBS)
+
libMinuit2_la_SOURCES = \
AnalyticalGradientCalculator.cxx \
BasicMinimumError.cxx \
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