From 7c0977c267b19179a847b8fbe74b5ecfdadbaa48 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sat, 22 Aug 2020 13:53:44 +0200
Subject: [PATCH 1/2] Add OpenMP dependency to pkgconfig file if needed

---
 cmake/openblas.pc.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/openblas.pc.in b/cmake/openblas.pc.in
index df4b2ab06..0bd49f996 100644
--- a/cmake/openblas.pc.in
+++ b/cmake/openblas.pc.in
@@ -7,5 +7,5 @@ Name: OpenBLAS
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: @OPENBLAS_VERSION@
 URL: https://github.com/xianyi/OpenBLAS
-Libs: -L${libdir} -lopenblas${libsuffix}
+Libs: @OpenMP_C_FLAGS@ -L${libdir} -lopenblas${libsuffix} 
 Cflags: -I${includedir}

From 1840bc5b523ff5dc17eebdbff3c0784a4ae1f03f Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sat, 22 Aug 2020 13:55:18 +0200
Subject: [PATCH 2/2] Add OpenMP dependency to pkgconfig file if needed

---
 Makefile.install | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Makefile.install b/Makefile.install
index 01c0b1226..7c1a3ca43 100644
--- a/Makefile.install
+++ b/Makefile.install
@@ -13,6 +13,14 @@ OPENBLAS_CMAKE_DIR := $(OPENBLAS_LIBRARY_DIR)/cmake/openblas
 OPENBLAS_CMAKE_CONFIG := OpenBLASConfig.cmake
 OPENBLAS_CMAKE_CONFIG_VERSION := OpenBLASConfigVersion.cmake
 OPENBLAS_PKGCONFIG_DIR := $(OPENBLAS_LIBRARY_DIR)/pkgconfig
+PKG_EXTRALIB := $(EXTRALIB)
+ifeq ($(USE_OPENMP), 1)
+  ifeq ($(C_COMPILER), PGI)
+          PKG_EXTRALIB += -lomp
+  else	  
+          PKG_EXTRALIB += -lgomp
+  endif
+endif	  
 
 .PHONY : install
 .NOTPARALLEL : install
@@ -147,7 +155,7 @@ endif
 	@echo 'includedir='$(OPENBLAS_INCLUDE_DIR) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"
 	@echo 'openblas_config= USE_64BITINT='$(USE_64BITINT) 'DYNAMIC_ARCH='$(DYNAMIC_ARCH) 'DYNAMIC_OLDER='$(DYNAMIC_OLDER) 'NO_CBLAS='$(NO_CBLAS) 'NO_LAPACK='$(NO_LAPACK) 'NO_LAPACKE='$(NO_LAPACKE) 'NO_AFFINITY='$(NO_AFFINITY) 'USE_OPENMP='$(USE_OPENMP) $(CORE) 'MAX_THREADS='$(NUM_THREADS)>> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"
 	@echo 'version='$(VERSION) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"
-	@echo 'extralib='$(EXTRALIB) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"
+	@echo 'extralib='$(PKG_EXTRALIB) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"
 	@cat openblas.pc.in >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/openblas.pc"