Link with BLAS if using PETSc with static libs.

git-svn-id: https://svn.dealii.org/trunk@9233 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4
index 81b4885b419fe6a9db384fe48b2cc3459bda5c88..748d09fbfc67219a8c57636f42f827e680454a1d 100644 (file)
--- a/deal.II/aclocal.m4
+++ b/deal.II/aclocal.m4
@@ -3779,6 +3779,14 @@ AC_DEFUN(DEAL_II_CONFIGURE_PETSC, dnl
     dnl defining the string "DEAL_II_USE_PETSC" for the preprocessor. If
     dnl we don't have no PETSc, then it does not define this string.
     DEAL_II_DEFINE_DEAL_II_USE_PETSC=DEAL_II_USE_PETSC
+
+    dnl If we are linking with static libraries, then we will have to add
+    dnl BLAS to the linker line for PETSc. Note that this is not necessary
+    dnl for shared libs, since they should already come with this reference
+    dnl built in.
+    if test "x$enableshared" = "xno" ; then
+      LDFLAGS="$LDFLAGS -lblas"
+    fi
   fi