[WIP] Add a build option to suppress versioning and softlinking of the library

CMakeLists.txt

@@ -40,6 +40,11 @@ option(USE_PERL "Use the older PERL scripts for build preparation instead of uni
 
 option(NO_WARMUP "Do not run a benchmark on each startup just to find the best location for the memory buffer" ON)
 
+option(FIXED_LIBNAME "Use a non-versioned name for the library and no symbolic linking to variant names" OFF)
+
+set(LIBNAMEPREFIX "" CACHE STRING  "Add a prefix to the openblas part of the library name" )
+set(LIBNAMESUFFIX "" CACHE STRING  "Add a suffix after the openblas part of the library name" )
+
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   option(NO_AFFINITY "Disable support for CPU affinity masks to avoid binding processes from e.g. R or numpy/scipy to a single core" ON)
 else()
@@ -96,7 +101,7 @@ message(WARNING "CMake support is experimental. It does not yet support all buil
 include("${PROJECT_SOURCE_DIR}/cmake/utils.cmake")
 include("${PROJECT_SOURCE_DIR}/cmake/system.cmake")
 
-set(OpenBLAS_LIBNAME openblas${SUFFIX64_UNDERSCORE})
+set(OpenBLAS_LIBNAME ${LIBNAMEPREFIX}openblas${LIBNAMESUFFIX}${SUFFIX64_UNDERSCORE})
 
 set(BLASDIRS interface driver/level2 driver/level3 driver/others)
 
@@ -336,11 +341,12 @@ endif()
     add_subdirectory(cpp_thread_test)
   endif()
 
+if (NOT FIXED_LIBNAME)
 set_target_properties(${OpenBLAS_LIBS} PROPERTIES
   VERSION ${OpenBLAS_MAJOR_VERSION}.${OpenBLAS_MINOR_VERSION}
   SOVERSION ${OpenBLAS_MAJOR_VERSION}
 )
-
+endif()
 if (BUILD_SHARED_LIBS AND BUILD_RELAPACK)
   if (NOT MSVC)
     target_link_libraries(${OpenBLAS_LIBNAME}_shared "-Wl,-allow-multiple-definition")

Makefile

@@ -1,5 +1,9 @@
 TOPDIR	= .
 include ./Makefile.system
+LNCMD = ln -fs
+ifeq ($(FIXED_LIBNAME), 1)
+LNCMD = true
+endif
 
 BLASDIRS = interface driver/level2 driver/level3 driver/others
 
@@ -134,17 +138,17 @@ shared : libs netlib $(RELA)
 ifneq ($(NO_SHARED), 1)
 ifeq ($(OSNAME), $(filter $(OSNAME),Linux SunOS Android Haiku FreeBSD DragonFly))
 	@$(MAKE) -C exports so
-	@ln -fs $(LIBSONAME) $(LIBPREFIX).so
-	@ln -fs $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
+	@$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so
+	@$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif
 ifeq ($(OSNAME), $(filter $(OSNAME),OpenBSD NetBSD))
 	@$(MAKE) -C exports so
-	@ln -fs $(LIBSONAME) $(LIBPREFIX).so
+	@$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so
 endif
 ifeq ($(OSNAME), Darwin)
 	@$(MAKE) -C exports dyn
-	@ln -fs $(LIBDYNNAME) $(LIBPREFIX).dylib
-	@ln -fs $(LIBDYNNAME) $(LIBPREFIX).$(MAJOR_VERSION).dylib
+	@$(LNCMD) $(LIBDYNNAME) $(LIBPREFIX).dylib
+	@$(LNCMD) $(LIBDYNNAME) $(LIBPREFIX).$(MAJOR_VERSION).dylib
 endif
 ifeq ($(OSNAME), WINNT)
 	@$(MAKE) -C exports dll
@@ -232,13 +236,13 @@ ifeq ($(INTERFACE64),1)
 endif
 	@echo THELIBNAME=$(LIBNAME) >>  Makefile.conf_last
 	@echo THELIBSONAME=$(LIBSONAME) >>  Makefile.conf_last
-	@-ln -fs $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
+	@-$(LNCMD) $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
 	@touch lib.grd
 
 prof : prof_blas prof_lapack
 
 prof_blas :
-	ln -fs $(LIBNAME_P) $(LIBPREFIX)_p.$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME_P) $(LIBPREFIX)_p.$(LIBSUFFIX)
 	for d in $(SUBDIRS) ; \
 	do if test -d $$d; then \
 	  $(MAKE) -C $$d prof || exit 1 ; \
@@ -249,15 +253,15 @@ ifeq ($(DYNAMIC_ARCH), 1)
 endif
 
 blas :
-	ln -fs $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
 	for d in $(BLASDIRS) ; \
 	do if test -d $$d; then \
 	  $(MAKE) -C $$d libs || exit 1 ; \
 	fi; \
 	done
 
 hpl :
-	ln -fs $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
 	for d in $(BLASDIRS) ../laswp exports ; \
 	do if test -d $$d; then \
 	  $(MAKE) -C $$d $(@F) || exit 1 ; \
@@ -271,7 +275,7 @@ ifeq ($(DYNAMIC_ARCH), 1)
 endif
 
 hpl_p :
-	ln -fs $(LIBNAME_P) $(LIBPREFIX)_p.$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME_P) $(LIBPREFIX)_p.$(LIBSUFFIX)
 	for d in $(SUBDIRS) ../laswp exports ; \
 	do if test -d $$d; then \
 	  $(MAKE) -C $$d $(@F) || exit 1 ; \
@@ -404,6 +408,7 @@ lapack-runtest: lapack-test
 
 blas-test:
 	(cd $(NETLIB_LAPACK_DIR)/BLAS/TESTING && rm -f x* *.out)
+
 	$(MAKE) -j 1 -C $(NETLIB_LAPACK_DIR) blas_testing
 	(cd $(NETLIB_LAPACK_DIR)/BLAS/TESTING && cat *.out)
 

Makefile.install

@@ -2,11 +2,15 @@ TOPDIR	= .
 export GOTOBLAS_MAKEFILE = 1
 -include $(TOPDIR)/Makefile.conf_last
 include ./Makefile.system
+LNCMD = ln -fs
 
 ifdef THELIBNAME
 LIBNAME=$(THELIBNAME)
 LIBSONAME=$(THELIBSONAME)
 endif
+ifeq ($(FIXED_LIBNAME), 1)
+LNCMD = true
+endif
 ifeq ($(INTERFACE64),1)
 USE_64BITINT=1
 endif
@@ -99,29 +103,29 @@ ifneq ($(NO_STATIC),1)
 	@echo Copying the static library to $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
 	@install -m644 $(LIBNAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
 endif
 #for install shared library
 ifneq ($(NO_SHARED),1)
 	@echo Copying the shared library to $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
 ifeq ($(OSNAME), $(filter $(OSNAME),Linux SunOS Android Haiku FreeBSD DragonFly))
 	@install -m755 $(LIBSONAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBSONAME) $(LIBPREFIX).so ; \
-	ln -fs $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
+	$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so ; \
+	$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif
 
 ifeq ($(OSNAME), $(filter $(OSNAME),OpenBSD NetBSD))
 	@cp $(LIBSONAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBSONAME) $(LIBPREFIX).so
+	$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so
 endif
 ifeq ($(OSNAME), Darwin)
 	@-cp $(LIBDYNNAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@-install_name_tool -id "$(OPENBLAS_LIBRARY_DIR)/$(LIBPREFIX).$(MAJOR_VERSION).dylib" "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)/$(LIBDYNNAME)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBDYNNAME) $(LIBPREFIX).dylib ; \
-	ln -fs $(LIBDYNNAME) $(LIBPREFIX).$(MAJOR_VERSION).dylib
+	$(LNCMD) $(LIBDYNNAME) $(LIBPREFIX).dylib ; \
+	$(LNCMD) $(LIBDYNNAME) $(LIBPREFIX).$(MAJOR_VERSION).dylib
 endif
 ifeq ($(OSNAME), WINNT)
 	@-cp $(LIBDLLNAME) "$(DESTDIR)$(OPENBLAS_BINARY_DIR)"
@@ -149,15 +153,15 @@ ifneq ($(NO_STATIC),1)
 	@echo Copying the static library to $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
 	@installbsd -c -m 644 $(LIBNAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
+	$(LNCMD) $(LIBNAME) $(LIBPREFIX).$(LIBSUFFIX)
 endif
 #for install shared library
 ifneq ($(NO_SHARED),1)
 	@echo Copying the shared library to $(DESTDIR)$(OPENBLAS_LIBRARY_DIR)
 	@installbsd -c -m 755 $(LIBSONAME) "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@cd "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)" ; \
-	ln -fs $(LIBSONAME) $(LIBPREFIX).so ; \
-	ln -fs $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
+	$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so ; \
+	$(LNCMD) $(LIBSONAME) $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif
 
 endif
@@ -170,6 +174,8 @@ endif
 
 	@echo Generating $(LIBSONAMEBASE)$(SUFFIX64).pc in "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)"
 	@echo 'libdir='$(OPENBLAS_LIBRARY_DIR) > "$(PKGFILE)"
+	@echo 'libprefix='$(LIBNAMEPREFIX) >> "$(PKGFILE)"
+	@echo 'libnamesuffix='$(LIBNAMESUFFIX) >> "$(PKGFILE)"
 	@echo 'libsuffix='$(SYMBOLSUFFIX) >> "$(PKGFILE)"
 	@echo 'includedir='$(OPENBLAS_INCLUDE_DIR) >> "$(PKGFILE)"
 	@echo 'openblas_config= USE_64BITINT='$(INTERFACE64) 'DYNAMIC_ARCH='$(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)>> "$(PKGFILE)"
@@ -186,7 +192,7 @@ endif
 ifneq ($(NO_SHARED),1)
 #ifeq logical or
 ifeq ($(OSNAME), $(filter $(OSNAME),Linux FreeBSD NetBSD OpenBSD DragonFly))
-	@echo "SET(OpenBLAS_LIBRARIES ${OPENBLAS_LIBRARY_DIR}/$(LIBPREFIX).so)" >> "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)/$(OPENBLAS_CMAKE_CONFIG)"
+	@echo "SET(OpenBLAS_LIBRARIES ${OPENBLAS_LIBRARY_DIR}/$(LIBPREFIX)$(SYMBOLSUFFIX).so)" >> "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)/$(OPENBLAS_CMAKE_CONFIG)"
 endif
 ifeq ($(OSNAME), $(filter $(OSNAME),WINNT CYGWIN_NT))
 	@echo "SET(OpenBLAS_LIBRARIES ${OPENBLAS_BINARY_DIR}/$(LIBDLLNAME))" >> "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)/$(OPENBLAS_CMAKE_CONFIG)"

Makefile.rule

@@ -5,6 +5,11 @@
 # This library's version
 VERSION = 0.3.26.dev
 
+# If you set this prefix, the library name will be lib$(LIBNAMESUFFIX)openblas.a
+# and lib$(LIBNAMESUFFIX)openblas.so, with a matching soname in the shared library
+# 
+# LIBNAMEPREFIX = scipy
+
 # If you set the suffix, the library name will be libopenblas_$(LIBNAMESUFFIX).a
 # and libopenblas_$(LIBNAMESUFFIX).so. Meanwhile, the soname in shared library
 # is libopenblas_$(LIBNAMESUFFIX).so.0.

Makefile.system

@@ -1516,16 +1516,20 @@ ifndef LIBSONAMEBASE
 LIBSONAMEBASE = openblas
 endif
 
+ifndef LIBNAMEPREFIX
+LIBNAMEPREFIX =
+endif
+
 ifndef LIBNAMESUFFIX
 LIBNAMEBASE = $(SYMBOLPREFIX)$(LIBSONAMEBASE)$(SYMBOLSUFFIX)
 else
-LIBNAMEBASE = $(SYMBOLPREFIX)$(LIBSONAMEBASE)$(SYMBOLSUFFIX)_$(LIBNAMESUFFIX)
+LIBNAMEBASE = $(SYMBOLPREFIX)$(LIBSONAMEBASE)$(SYMBOLSUFFIX)$(LIBNAMESUFFIX)
 endif
 
 ifeq ($(OSNAME), CYGWIN_NT)
-LIBPREFIX = cyg$(LIBNAMEBASE)
+LIBPREFIX = cyg$(LIBNAMEPREFIX)$(LIBNAMEBASE)
 else
-LIBPREFIX = lib$(LIBNAMEBASE)
+LIBPREFIX = lib$(LIBNAMEPREFIX)$(LIBNAMEBASE)
 endif
 
 KERNELDIR	= $(TOPDIR)/kernel/$(ARCH)
@@ -1704,6 +1708,10 @@ LIBNAME_P	= $(LIBPREFIX)p$(REVISION)_p.$(LIBSUFFIX)
 endif
 endif
 
+ifeq ($(FIXED_LIBNAME),1)
+	LIBNAME = lib$(LIBNAMEPREFIX)$(LIBSONAMEBASE)$(LIBNAMESUFFIX).$(LIBSUFFIX)
+	LIBNAME_P = lib$(LIBNAMEPREFIX)$(LISOBNAMEBASE)$(LIBNAMESUFFIX)_p.$(LIBSUFFIX)
+endif
 
 LIBDLLNAME   = $(LIBPREFIX).dll
 IMPLIBNAME   = lib$(LIBNAMEBASE).dll.a

cmake/openblas.pc.in

@@ -1,4 +1,6 @@
 libdir=@CMAKE_INSTALL_FULL_LIBDIR@
+libnameprefix=@LIBNAMEPREFIX@
+libnamesuffix=@LIBNAMESUFFIX@
 libsuffix=@SUFFIX64_UNDERSCORE@
 includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 
@@ -7,5 +9,5 @@ Name: OpenBLAS
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: @OpenBLAS_VERSION@
 URL: https://github.com/OpenMathLib/OpenBLAS
-Libs: @OpenMP_C_FLAGS@ -L${libdir} -lopenblas${libsuffix} 
+Libs: @OpenMP_C_FLAGS@ -L${libdir} -l${libnameprefix}openblas${libnamesuffix}${libsuffix} 
 Cflags: -I${includedir}

cmake/system.cmake

@@ -501,10 +501,11 @@ set(CCOMMON_OPT "${CCOMMON_OPT} -DBLAS3_MEM_ALLOC_THRESHOLD=${BLAS3_MEM_ALLOC_TH
 endif()
 endif()
 endif()
+
+set(LIBPREFIX "lib${LIBNAMEPREFIX}openblas")
+
 if (DEFINED LIBNAMESUFFIX)
-  set(LIBPREFIX "libopenblas_${LIBNAMESUFFIX}")
-else ()
-  set(LIBPREFIX "libopenblas")
+  set(LIBPREFIX "${LIBNAMEPREFIX}_${LIBNAMESUFFIX}")
 endif ()
 
 if (NOT DEFINED SYMBOLPREFIX)
@@ -679,6 +680,10 @@ else ()
   endif ()
 endif ()
 
+if (DEFINED FIXED_LIBNAME)
+  set (LIBNAME "${LIBPREFIX}.${LIBSUFFIX}")
+  set (LIBNAME "${LIBPREFIX}_p.${LIBSUFFIX}")
+endif()
 
 set(LIBDLLNAME "${LIBPREFIX}.dll")
 set(LIBSONAME "${LIBNAME}.${LIBSUFFIX}.so")

exports/Makefile

@@ -136,8 +136,12 @@ libgoto_hpl.def : $(GENSYM)
 	./$(GENSYM) win2khpl $(ARCH) dummy $(EXPRECISION) $(NO_CBLAS) $(NO_LAPACK) $(NO_LAPACKE) $(NEED2UNDERSCORES) $(ONLY_CBLAS) "$(SYMBOLPREFIX)" "$(SYMBOLSUFFIX)" $(BUILD_LAPACK_DEPRECATED) $(BUILD_BFLOAT16) $(BUILD_SINGLE) $(BUILD_DOUBLE) $(BUILD_COMPLEX) $(BUILD_COMPLEX16) > $(@F)
 
 ifeq ($(OSNAME), Darwin)
+ifeq ($(FIXED_LIBNAME),1)
+INTERNALNAME = $(LIBPREFIX)$(LIBNAMESUFFIX).dylib
+else
 INTERNALNAME = $(LIBPREFIX).$(MAJOR_VERSION).dylib
 endif
+endif
 
 ifeq (, $(SYMBOLPREFIX)$(SYMBOLSUFFIX))
 $(LIBDYNNAME) : ../$(LIBNAME) osx.def
@@ -173,8 +177,12 @@ INTERNALNAME = $(LIBPREFIX).so
 FEXTRALIB += -lm
 EXTRALIB += -lm
 else
+ifeq ($(FIXED_LIBNAME),1)
+INTERNALNAME = $(LIBPREFIX)$(LIBNAMESUFFIX).so
+else
 INTERNALNAME = $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif
+endif
 
 ifeq (, $(SYMBOLPREFIX)$(SYMBOLSUFFIX))
 ../$(LIBSONAME) : ../$(LIBNAME) linktest.c

lapack-netlib/TESTING/EIG/CMakeLists.txt

@@ -106,11 +106,13 @@ set(ZDMDEIGTST zchkdmd.f90)
 
 macro(add_eig_executable name)
   add_executable(${name} ${ARGN})
-  target_link_libraries(${name} openblas${SUFFIX64_UNDERSCORE})
-if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
-	string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
-target_link_libraries(${name} omp pthread)
-endif()
+  target_link_libraries(${name} ${LIBNAMEPREFIX}openblas${LIBNAMESUFFIX}${SUFFIX64_UNDERSCORE})
+
+  if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
+	  string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
+    target_link_libraries(${name} omp pthread)
+  endif()
+
 #${TMGLIB} ../${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
 endmacro()
 

lapack-netlib/TESTING/LIN/CMakeLists.txt

@@ -239,7 +239,7 @@ set(ZLINTSTRFP zchkrfp.f zdrvrfp.f zdrvrf1.f zdrvrf2.f zdrvrf3.f zdrvrf4.f zerrr
 
 macro(add_lin_executable name)
   add_executable(${name} ${ARGN})
-  target_link_libraries(${name} openblas${SUFFIX64_UNDERSCORE})
+  target_link_libraries(${name} ${LIBNAMEPREFIX}openblas${LIBNAMESUFFIX}${SUFFIX64_UNDERSCORE})
   if (USE_OPENMP AND (${CMAKE_Fortran_COMPILER_ID} STREQUAL GNU) AND (${CMAKE_C_COMPILER_ID} STREQUAL Clang))
 	string(REGEX REPLACE "-fopenmp" "" CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS}")
         target_link_libraries(${name} omp pthread)

openblas.pc.in

@@ -2,6 +2,6 @@ Name: openblas
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: ${version}
 URL: https://github.com/xianyi/OpenBLAS
-Libs: -L${libdir} -lopenblas${libsuffix}
+Libs: -L${libdir} -l$(libprefix}openblas${libnamesuffix}
 Libs.private: ${extralib}
 Cflags: -I${includedir}