Patch for openblas variants

[matthewd%fastmail.us@localhost]

Hello!

The package-config files installed for the various openblas_* variants pass the incorrect link lines.  The following patch seems to help (at least with openblas_pthreads/openblas_openmp)

Best,

-Matthew

diff --git a/math/openblas/Makefile.common b/math/openblas/Makefile.common
index 78ac13ec745..9b810e51cbd 100644
--- a/math/openblas/Makefile.common
+++ b/math/openblas/Makefile.common
@@ -97,6 +97,11 @@ BENCHMARK_ENV=       OMP_NUM_THREADS=${BENCHMARK_MAXTHREADS}
 MAKE_FLAGS+=   INTERFACE64=1 LIBSONAMEBASE=openblas64
 .endif
 
+SUBST_CLASSES+=                pkgconfig
+SUBST_STAGE.pkgconfig= pre-build
+SUBST_SED.pkgconfig+=  -e "s+openblas+${OPENBLAS_VARIANT}+g"
+SUBST_FILES.pkgconfig+=        openblas.pc.in
+
 SUBST_CLASSES+=                threads
 SUBST_STAGE.threads=   pre-build
 SUBST_SED.threads+=    -e "s+OPENBLAS_NUM_THREADS+OMP_NUM_THREADS+g"

-- 
  
  matthewd%fastmail.us@localhost