https://github.com/ImageMagick/ImageMagick/pull/88
diff --git a/configure.ac b/configure.ac
old mode 100755
new mode 100644
index 5f9eb82..78da978
--- a/configure.ac
+++ b/configure.ac
@@ -1386,12 +1386,6 @@
 GOMP_LIBS=''
 if test "$enable_openmp" != 'no'; then
   if test "${GCC}" = "yes"; then
-    # Clang 3.8 and later defaults to the LLVM OpenMP implementation
-    if test "x$GOMP_LIBS" = x ; then
-      if $CC --version 2>&1 | grep clang > /dev/null ; then
-        AC_CHECK_LIB(omp,omp_get_num_procs,GOMP_LIBS="-lomp",,)
-      fi
-    fi
     # Open64 (passes for GCC but uses different OpenMP implementation)
     if test "x$GOMP_LIBS" = x ; then
       if $CC --version 2>&1 | grep Open64 > /dev/null ; then
@@ -2027,6 +2021,40 @@
 dnl ===========================================================================
 
 #
+# Check for the raqm delegate library.
+#
+AC_ARG_WITH([raqm],
+    [AC_HELP_STRING([--without-raqm],
+                    [disable Raqm support])],
+    [with_raqm=$withval],
+    [with_raqm='yes'])
+
+if test "$with_raqm" != 'yes'; then
+    DISTCHECK_CONFIG_FLAGS="${DISTCHECK_CONFIG_FLAGS} --with-raqm=$with_raqm "
+fi
+
+have_raqm='no'
+RAQM_CFLAGS=""
+RAQM_LIBS=""
+RAQM_PKG=""
+if test "x$with_raqm" = "xyes"; then
+  AC_MSG_RESULT([-------------------------------------------------------------])
+  PKG_CHECK_MODULES(RAQM,[raqm], have_raqm=yes, have_raqm=no)
+  AC_MSG_RESULT([])
+fi
+
+if test "$have_raqm" = 'yes'; then
+  AC_DEFINE(RAQM_DELEGATE,1,Define if you have RAQM library)
+  CFLAGS="$RAQM_CFLAGS $CFLAGS"
+fi
+
+AM_CONDITIONAL(RAQM_DELEGATE, test "$have_raqm" = 'yes')
+AC_SUBST(RAQM_CFLAGS)
+AC_SUBST(RAQM_LIBS)
+
+dnl ===========================================================================
+
+#
 # Check for Ghostscript library or framework.
 #
 # Test for iapi.h & test for gsapi_new_instance in -lgs
@@ -3594,6 +3622,9 @@
 if test "$have_freetype"    = 'yes' ; then
    MAGICK_DELEGATES="$MAGICK_DELEGATES freetype"
 fi
+if test "$have_raqm"    = 'yes' ; then
+   MAGICK_DELEGATES="$MAGICK_DELEGATES raqm"
+fi
 if test "$have_gslib"    = 'yes' ; then
    MAGICK_DELEGATES="$MAGICK_DELEGATES gslib"
 fi
@@ -3712,9 +3743,9 @@
 #
 
 if test "$build_modules" != 'no'; then
-    MAGICK_DEP_LIBS="$USER_LIBS $LCMS_LIBS $FREETYPE_LIBS $LQR_LIBS $FFTW_LIBS $FONTCONFIG_LIBS $XEXT_LIBS $IPC_LIBS $X11_LIBS $XT_LIBS $LZMA_LIBS $BZLIB_LIBS $ZLIB_LIBS $LTDL_LIBS $GDI32_LIBS $MATH_LIBS $GOMP_LIBS $CL_LIBS $UMEM_LIBS $JEMALLOC_LIBS $THREAD_LIBS"
+    MAGICK_DEP_LIBS="$USER_LIBS $LCMS_LIBS $FREETYPE_LIBS $RAQM_LIBS $LQR_LIBS $FFTW_LIBS $FONTCONFIG_LIBS $XEXT_LIBS $IPC_LIBS $X11_LIBS $XT_LIBS $LZMA_LIBS $BZLIB_LIBS $ZLIB_LIBS $LTDL_LIBS $GDI32_LIBS $MATH_LIBS $GOMP_LIBS $CL_LIBS $UMEM_LIBS $JEMALLOC_LIBS $THREAD_LIBS"
 else
-    MAGICK_DEP_LIBS="$USER_LIBS $JBIG_LIBS $LCMS_LIBS $TIFF_LIBS $FREETYPE_LIBS $JPEG_LIBS $GS_LIBS $LQR_LIBS $PNG_LIBS $AUTOTRACE_LIBS $DJVU_LIBS $FFTW_LIBS $FPX_LIBS $FONTCONFIG_LIBS $WEBP_LIBS $WMF_LIBS $DPS_LIBS $XEXT_LIBS $XT_LIBS $IPC_LIBS $X11_LIBS $LZMA_LIBS $BZLIB_LIBS $OPENEXR_LIBS $LIBOPENJP2_LIBS $PANGO_LIBS $RSVG_LIBS $XML_LIBS $GVC_LIBS $ZLIB_LIBS $GDI32_LIBS $MATH_LIBS $GOMP_LIBS $CL_LIBS $UMEM_LIBS $JEMALLOC_LIBS $THREAD_LIBS"
+    MAGICK_DEP_LIBS="$USER_LIBS $JBIG_LIBS $LCMS_LIBS $TIFF_LIBS $FREETYPE_LIBS $RAQM_LIBS $JPEG_LIBS $GS_LIBS $LQR_LIBS $PNG_LIBS $AUTOTRACE_LIBS $DJVU_LIBS $FFTW_LIBS $FPX_LIBS $FONTCONFIG_LIBS $WEBP_LIBS $WMF_LIBS $DPS_LIBS $XEXT_LIBS $XT_LIBS $IPC_LIBS $X11_LIBS $LZMA_LIBS $BZLIB_LIBS $OPENEXR_LIBS $LIBOPENJP2_LIBS $PANGO_LIBS $RSVG_LIBS $XML_LIBS $GVC_LIBS $ZLIB_LIBS $GDI32_LIBS $MATH_LIBS $GOMP_LIBS $CL_LIBS $UMEM_LIBS $JEMALLOC_LIBS $THREAD_LIBS"
 fi
 AC_SUBST(MAGICK_DEP_LIBS)
 
@@ -3851,6 +3882,7 @@
   FlashPIX          --with-fpx=$with_fpx		$have_fpx
   FontConfig        --with-fontconfig=$with_fontconfig	$have_fontconfig
   FreeType          --with-freetype=$with_freetype		$have_freetype
+  Raqm              --with-raqm=$with_raqm		$have_raqm
   Ghostscript lib   --with-gslib=$with_gslib		$have_gslib
   Graphviz          --with-gvc=$with_gvc		$have_gvc
   JBIG              --with-jbig=$with_jbig		$have_jbig