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From b3b59749a0df9c2375f1c99adb8552f698eba6d6 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 6 Jul 2023 15:54:30 -0400
Subject: [PATCH] interface/Makefile: add shared library targets.
Gentoo patch for shared library support.
---
interface/Makefile | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/interface/Makefile b/interface/Makefile
index 2ac9663..63bcb24 100644
--- a/interface/Makefile
+++ b/interface/Makefile
@@ -2384,3 +2384,22 @@ cblas_zgeadd.$(SUFFIX) cblas_zgeadd.$(PSUFFIX) : zgeadd.c
cblas_xerbla.$(SUFFIX) cblas_xerbla.$(PSUFFIX) : xerbla.c
$(CC) -c $(CFLAGS) -DCBLAS $< -o $(@F)
+#####
+shared-blas-lapack: libblas.so.3 libcblas.so.3 liblapack.so.3 liblapacke.so.3
+
+# The list of prerequisite is created by comparing with NETLIB BLAS public API.
+libblas.so.3: $(SBLAS1OBJS) $(SBLAS2OBJS) $(SBLAS3OBJS) $(DBLAS1OBJS) $(DBLAS2OBJS) $(DBLAS3OBJS) $(CBLAS1OBJS) $(CBLAS2OBJS) $(CBLAS3OBJS) $(ZBLAS1OBJS) $(ZBLAS2OBJS) $(ZBLAS3OBJS) ../kernel/lsame.o ../kernel/scabs1.o ../kernel/dcabs1.o ../driver/others/xerbla.o
+ $(CC) $(LDFLAGS) -shared -o $@ $^ -Wl,-soname,libblas.so.3 -L.. -lopenblas $(EXTRALIB)
+
+libcblas.so.3: $(CSBLAS1OBJS) $(CSBLAS2OBJS) $(CSBLAS3OBJS) $(CDBLAS1OBJS) $(CDBLAS2OBJS) $(CDBLAS3OBJS) $(CCBLAS1OBJS) $(CCBLAS2OBJS) $(CCBLAS3OBJS) $(CZBLAS1OBJS) $(CZBLAS2OBJS) $(CZBLAS3OBJS) ../kernel/lsame.o ../kernel/scabs1.o ../kernel/dcabs1.o ../driver/others/xerbla.o
+ $(CC) $(LDFLAGS) -shared -o $@ $^ -Wl,-soname,libcblas.so.3 -L.. -lopenblas $(EXTRALIB)
+
+# The prerequisites must match the symbols deleted in target delete-duplicate-lapack-objects
+liblapack.so.3: $(SLAPACKOBJS) $(DLAPACKOBJS) $(CLAPACKOBJS) $(ZLAPACKOBJS) ../kernel/lsame.o ../driver/others/xerbla.o
+ $(CC) $(LDFLAGS) -shared -o $@ $^ ../lapack-netlib/SRC/*.o -Wl,-soname,liblapack.so.3 -L.. -lopenblas $(EXTRALIB)
+
+liblapacke.so.3: liblapack.so.3
+ $(CC) $(LDFLAGS) -shared -o $@ `find ../lapack-netlib/LAPACKE -name "*.o"` -Wl,-soname,liblapacke.so.3 -L.. -lopenblas $(EXTRALIB)
+
+clean::
+ rm -f libblas.so.3 libcblas.so.3 liblapack.so.3
--
2.39.3
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