Adapt build system for the absence of lapack-netlib/ and relapack directories.

Forwarded: not-needed
Last-Update: 2026-02-03

Instead use the PIC libraries provided by packages liblapack-dev and liblapack64-dev,
stripping from them the symbols that are overridden by OpenBLAS.
Last-Update: 2026-02-03
Gbp-Pq: Name no-embedded-lapack.patch

diff --git a/Makefile b/Makefile
index 90de509133033c7a058f17e4af6e45097cffc575..86dffd8193d366d4de1a979030356bbf2760f82e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -291,95 +291,20 @@ hpl_p :
        fi; \
        done
 
-netlib : lapack_prebuild
-ifneq ($(NO_LAPACK), 1)
-       @$(MAKE) -C $(NETLIB_LAPACK_DIR) lapacklib
-       @$(MAKE) -C $(NETLIB_LAPACK_DIR) tmglib
-endif
-ifneq ($(NO_LAPACKE), 1)
-       @$(MAKE) -C $(NETLIB_LAPACK_DIR) lapackelib
-endif
-
-ifeq ($(NO_LAPACK), 1)
-re_lapack :
+netlib : lapack-netlib
 
+lapack-netlib:
+       mkdir lapack-netlib
+ifeq (,$(filter libopenblas64%,$(LIBNAME)))
+       cd lapack-netlib && ar -x /usr/lib/$$(dpkg-architecture -q DEB_HOST_MULTIARCH)/liblapack_pic.a
 else
-re_lapack :
-       @$(MAKE) -C relapack
+       cd lapack-netlib && ar -x /usr/lib/$$(dpkg-architecture -q DEB_HOST_MULTIARCH)/liblapack64_pic.a
 endif
+       make -C interface delete-duplicate-lapack-objects
+       ar -ru $(LIBNAME) `LC_ALL=C ls lapack-netlib/*`
 
-prof_lapack : lapack_prebuild
-       @$(MAKE) -C $(NETLIB_LAPACK_DIR) lapack_prof
-
-lapack_prebuild :
-ifeq ($(NO_LAPACK), $(filter 0,$(NO_LAPACK)))
-       -@echo "FC          = $(FC)" > $(NETLIB_LAPACK_DIR)/make.inc
-ifeq ($(F_COMPILER), GFORTRAN)
-       -@echo "override FFLAGS      = $(LAPACK_FFLAGS) -fno-tree-vectorize" >> $(NETLIB_LAPACK_DIR)/make.inc
-else
-       -@echo "override FFLAGS      = $(LAPACK_FFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-       -@echo "FFLAGS_DRV  = $(LAPACK_FFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "POPTS       = $(LAPACK_FPFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "FFLAGS_NOOPT       = -O0 $(LAPACK_NOOPT)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "PNOOPT      = $(LAPACK_FPFLAGS) -O0" >> $(NETLIB_LAPACK_DIR)/make.inc
-ifeq ($(C_COMPILER)$(F_COMPILER)$(USE_OPENMP), CLANGGFORTRAN1)
-       -@echo "LDFLAGS     = $(FFLAGS) $(EXTRALIB) -lomp" >> $(NETLIB_LAPACK_DIR)/make.inc
-else
-ifeq ($(C_COMPILER)$(F_COMPILER)$(USE_OPENMP), CLANGIBM1)
-       -@echo "LDFLAGS     = $(FFLAGS) $(EXTRALIB) -lomp" >> $(NETLIB_LAPACK_DIR)/make.inc
-else
-       -@echo "LDFLAGS     = $(FFLAGS) $(EXTRALIB)" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-endif
-       -@echo "CC          = $(CC)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "override CFLAGS      = $(LAPACK_CFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "AR          = $(AR)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "ARFLAGS     = $(ARFLAGS) -ru" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "RANLIB      = $(RANLIB)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "LAPACKLIB   = ../../$(LIBNAME)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "TMGLIB      = ../../../$(LIBNAME)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "BLASLIB     = ../../../$(LIBNAME)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "LAPACKELIB  = ../../../$(LIBNAME)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "LAPACKLIB_P = ../$(LIBNAME_P)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "SUFFIX      = $(SUFFIX)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "PSUFFIX     = $(PSUFFIX)" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "CEXTRALIB   = $(EXTRALIB)" >> $(NETLIB_LAPACK_DIR)/make.inc
-ifeq ($(F_COMPILER), GFORTRAN)
-       -@echo "TIMER       = INT_ETIME" >> $(NETLIB_LAPACK_DIR)/make.inc
-ifdef SMP
-ifeq ($(OSNAME), WINNT)
-       -@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
-else ifeq ($(OSNAME), Haiku)
-       -@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
-else
-       -@echo "LOADER      = $(FC) -pthread" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-else
-       -@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-else
-       -@echo "TIMER       = NONE" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@echo "LOADER      = $(FC)" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-ifeq ($(BUILD_LAPACK_DEPRECATED), 1)
-       -@echo "BUILD_DEPRECATED      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-ifeq ($(BUILD_SINGLE), 1)
-       -@echo "BUILD_SINGLE      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-ifeq ($(BUILD_DOUBLE), 1)
-       -@echo "BUILD_DOUBLE      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-ifeq ($(BUILD_COMPLEX), 1)
-       -@echo "BUILD_COMPLEX      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-ifeq ($(BUILD_COMPLEX16), 1)
-       -@echo "BUILD_COMPLEX16      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
-       -@echo "LAPACKE_WITH_TMG      = 1" >> $(NETLIB_LAPACK_DIR)/make.inc
-       -@cat  make.inc >> $(NETLIB_LAPACK_DIR)/make.inc
-endif
+clean::
+       rm -rf lapack-netlib
 
 large.tgz :
 ifeq ($(NOFORTRAN), $(filter 0,$(NOFORTRAN)))
@@ -450,10 +375,5 @@ ifeq ($(OSNAME), Darwin)
 endif
        @rm -f Makefile.conf config.h Makefile_kernel.conf config_kernel.h st* *.dylib
        @rm -f cblas.tmp cblas.tmp2
-       @touch $(NETLIB_LAPACK_DIR)/make.inc
-       @$(MAKE) -C $(NETLIB_LAPACK_DIR) clean
-       @rm -f $(NETLIB_LAPACK_DIR)/make.inc
-       @$(MAKE) -C relapack clean
        @rm -f *.grd Makefile.conf_last config_last.h
-       @(cd $(NETLIB_LAPACK_DIR)/TESTING && rm -f x* *.out testing_results.txt)
        @echo Done.

diff --git a/Makefile.install b/Makefile.install
index 5fc6b9560ca031c4acb52a40eebded39263ccf05..da9a92e5af4220041f4c8b7b4dba5113c3d2215f 100644 (file)
--- a/Makefile.install
+++ b/Makefile.install
@@ -92,32 +92,6 @@ endif
 endif
 
 ifneq ($(OSNAME), AIX)
-ifneq ($(NO_LAPACKE), 1)
-       @cp $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke.h lapacke_h.tmp
-ifdef SYMBOLPREFIX
-       @sed 's/LAPACKE_[a-z1-9].[^() ]*/$(SYMBOLPREFIX)&/g' lapacke_h.tmp > lapacke.tmp2
-       @mv lapacke.tmp2 lapacke_h.tmp
-endif
-ifdef SYMBOLSUFFIX
-       @sed 's/LAPACKE_[a-z1-9].[^() ]*/&$(SYMBOLSUFFIX)/g' lapacke_h.tmp > lapacke.tmp2
-       @mv lapacke.tmp2 lapacke_h.tmp
-endif
-       @-install -m644 lapacke_h.tmp "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke.h"
-       @echo Copying LAPACKE header files to $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)
-       @cp $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapack.h lapack_h.tmp
-ifdef SYMBOLPREFIX
-       @sed 's/LAPACK_[a-z1-9]*(\.\.\.)/$(SYMBOLPREFIX)&/g' lapack_h.tmp > lapack.tmp2
-       @mv lapack.tmp2 lapack_h.tmp
-endif
-ifdef SYMBOLSUFFIX
-       @sed 's/\(#define $(SYMBOLPREFIX)LAPACK_[a-z1-9].*\)\((...)\)/\1$(SYMBOLSUFFIX)\2/g' lapack_h.tmp > lapack.tmp2
-       @mv lapack.tmp2 lapack_h.tmp
-endif
-       @-install -m644 lapack_h.tmp "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapack.h"
-       @-install -m644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_config.h "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_config.h"
-       @-install -m644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_mangling_with_flags.h.in "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_mangling.h"
-       @-install -m644 $(NETLIB_LAPACK_DIR)/LAPACKE/include/lapacke_utils.h "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)/lapacke_utils.h"
-endif
 
 #for install static library
 ifneq ($(NO_STATIC),1)

diff --git a/Makefile.system b/Makefile.system
index ab463f53db3994837ab7ad274d1ca85cb3b64c1c..f77785b6ba3cdc94b1aa7c3e256cb394635360d9 100644 (file)
--- a/Makefile.system
+++ b/Makefile.system
@@ -44,8 +44,6 @@ else ifeq ($(ARCH), zarch)
 override ARCH=zarch
 endif
 
-NETLIB_LAPACK_DIR = $(TOPDIR)/lapack-netlib
-
 # Default C compiler
 # - Only set if not specified on the command line or inherited from the environment.
 # - CC is an implicit variable so neither '?=' or 'ifndef' can be used.

diff --git a/interface/Makefile b/interface/Makefile
index 83a894b1259313e882c24c9b7c5d771cef0623a1..954dddba5d73c6b50576c396292fdea9e0e3a27f 100644 (file)
--- a/interface/Makefile
+++ b/interface/Makefile
@@ -2601,3 +2601,10 @@ cgemm_batch_strided.$(SUFFIX) cgemm_batch_strided.$(PSUFFIX) : gemm_batch_stride
 
 zgemm_batch_strided.$(SUFFIX) zgemm_batch_strided.$(PSUFFIX) : gemm_batch_strided.c ../param.h
        $(CC) -c $(CFLAGS) -UCBLAS $< -o $(@F)
+
+# The list of symbols to be removed can be seen in the diff between LAPACK's
+# original SRC/Makefile and the version of that same file that is included in
+# OpenBLAS (unfiltered) tarball
+delete-duplicate-lapack-objects:
+       if test -d ../lapack-netlib; then cd ../lapack-netlib \
+               && rm $(SLAPACKOBJS) $(DLAPACKOBJS) $(CLAPACKOBJS) $(ZLAPACKOBJS) lsame.o xerbla.o; fi