Makefile.vendor

#
# Smart vendor-specific build targets for MUMPS
# This file provides efficient vendor-specific builds with proper organization
#
# Usage:
#   make vendor-build VENDOR=blis PRECISIONS="s d c z"  # Build all precisions
#   make vendor-combined VENDOR=blis                     # Create combined libraries
#   make vendor-install VENDOR=blis                      # Install to lib/vendors/blis/
#

.PHONY: vendor-build vendor-combined vendor-install vendor-clean vendor-test

# Configuration
VENDOR ?= openblas
PRECISIONS ?= s d c z
VENDOR_LIB_DIR := lib/vendors/$(VENDOR)
BUILD_PARALLEL ?= 1

# Build all precisions for a vendor (static + shared)
vendor-build: vendor-build-static vendor-build-shared

# Build static libraries for vendor
vendor-build-static:
	@echo "==> Building static libraries for vendor: $(VENDOR)"
	@echo "    Precisions: $(PRECISIONS)"
	@echo "  --> Cleaning for fresh static build..."
	@cd src && $(MAKE) clean >/dev/null 2>&1 && cd ..
	@rm -f lib/lib*mumps*.a lib/libmumps_common.a 2>/dev/null || true
	@for prec in $(PRECISIONS); do \
		echo "  --> Building $${prec}mumps.a with $(VENDOR)..."; \
		if $(MAKE) BLAS_VENDOR=$(VENDOR) $${prec} 2>&1 | tee /tmp/build-static-$${prec}.log | grep -q "Leaving directory"; then \
			if [ -f lib/lib$${prec}mumps.a ]; then \
				echo "      ✓ lib$${prec}mumps.a built successfully"; \
			else \
				echo "      ✗ lib$${prec}mumps.a build completed but file missing"; \
				tail -30 /tmp/build-static-$${prec}.log; \
				exit 1; \
			fi; \
		else \
			echo "      ✗ $${prec}mumps.a build failed"; \
			tail -30 /tmp/build-static-$${prec}.log; \
			exit 1; \
		fi; \
	done
	@echo "  --> Building common library..."
	@$(MAKE) BLAS_VENDOR=$(VENDOR) prerequisites >/dev/null 2>&1
	@echo "==> Static build complete"

# Build shared libraries for vendor (with proper cleanup)
vendor-build-shared:
	@echo "==> Building shared libraries for vendor: $(VENDOR)"
	@echo "    Precisions: $(PRECISIONS)"
	@echo "  --> Full clean of src/ directory for shared build..."
	@cd src && $(MAKE) clean >/dev/null 2>&1 && cd ..
	@echo "  --> Building common shared library..."
	@if $(MAKE) BLAS_VENDOR=$(VENDOR) prerequisitesshared >/dev/null 2>&1; then \
		echo "      ✓ libmumps_common.so built successfully"; \
	else \
		echo "      ✗ libmumps_common.so build failed"; \
		exit 1; \
	fi
	@for prec in $(PRECISIONS); do \
		echo "  --> Building $${prec}mumps.so with $(VENDOR)..."; \
		if $(MAKE) BLAS_VENDOR=$(VENDOR) $${prec}shared 2>&1 | tee /tmp/build-$${prec}.log | grep -q "Leaving directory"; then \
			if [ -f lib/lib$${prec}mumps.so ]; then \
				echo "      ✓ lib$${prec}mumps.so built successfully"; \
			else \
				echo "      ✗ lib$${prec}mumps.so build completed but file missing"; \
				tail -50 /tmp/build-$${prec}.log; \
				exit 1; \
			fi; \
		else \
			echo "      ✗ lib$${prec}mumps.so build failed"; \
			tail -50 /tmp/build-$${prec}.log; \
			exit 1; \
		fi; \
	done
	@echo "==> Shared build complete"

# Create combined static library (all precisions in one .a file)
vendor-combined-static: vendor-build-static
	@echo "==> Creating combined static library: libmumps_$(VENDOR)_sdcz.a"
	@rm -rf .tmp-combine-$(VENDOR)
	@mkdir -p .tmp-combine-$(VENDOR)
	@for prec in s d c z; do \
		if [ -f lib/lib$${prec}mumps.a ]; then \
			echo "  --> Extracting lib$${prec}mumps.a..."; \
			cd .tmp-combine-$(VENDOR) && ar x ../lib/lib$${prec}mumps.a && cd ..; \
		fi; \
	done
	@echo "  --> Extracting libmumps_common.a..."
	@cd .tmp-combine-$(VENDOR) && ar x ../lib/libmumps_common.a && cd ..
	@echo "  --> Extracting libpord.a..."
	@cd .tmp-combine-$(VENDOR) && ar x ../PORD/lib/libpord.a && cd ..
	@echo "  --> Extracting libmpiseq.a..."
	@cd .tmp-combine-$(VENDOR) && ar x ../lib/libmpiseq.a && cd ..
	@echo "  --> Creating combined archive..."
	@cd .tmp-combine-$(VENDOR) && ar rcs ../lib/libmumps_$(VENDOR)_sdcz.a *.o && cd ..
	@ranlib lib/libmumps_$(VENDOR)_sdcz.a
	@rm -rf .tmp-combine-$(VENDOR)
	@ls -lh lib/libmumps_$(VENDOR)_sdcz.a
	@echo "  ✓ Combined static library created"

# Create combined shared library (all precisions in one .so file)
vendor-combined-shared: vendor-build-shared
	@echo "==> Creating combined shared library: libmumps_$(VENDOR)_sdcz.so"
	@echo "  --> Linking all shared libraries..."
	@$(FC) $(OPTL) -shared -Wl,-soname,libmumps_$(VENDOR)_sdcz.so \
		-Wl,--whole-archive \
		lib/libsmumps.so lib/libdmumps.so lib/libcmumps.so lib/libzmumps.so \
		lib/libmumps_common.so \
		-Wl,--no-whole-archive \
		$(LORDERINGS) $(LIBS) $(LIBBLAS) $(LAPACK) $(LIBOTHERS) \
		-o lib/libmumps_$(VENDOR)_sdcz.so 2>&1 | grep -v "warning: " || true
	@if [ -f lib/libmumps_$(VENDOR)_sdcz.so ]; then \
		ls -lh lib/libmumps_$(VENDOR)_sdcz.so; \
		echo "  ✓ Combined shared library created"; \
	else \
		echo "  ✗ Combined shared library creation failed"; \
		echo "  → Note: This requires all individual shared libraries to exist"; \
		exit 1; \
	fi

# Create both combined libraries
vendor-combined: vendor-combined-static vendor-combined-shared

# Install libraries to vendor-specific directory
vendor-install: vendor-combined
	@echo "==> Installing libraries to $(VENDOR_LIB_DIR)"
	@mkdir -p $(VENDOR_LIB_DIR)
	@echo "  --> Copying static libraries..."
	@for prec in s d c z; do \
		if [ -f lib/lib$${prec}mumps.a ]; then \
			cp lib/lib$${prec}mumps.a $(VENDOR_LIB_DIR)/; \
			echo "      ✓ lib$${prec}mumps.a"; \
		fi; \
	done
	@cp lib/libmumps_common.a $(VENDOR_LIB_DIR)/
	@echo "      ✓ libmumps_common.a"
	@echo "  --> Copying shared libraries..."
	@for prec in s d c z; do \
		if [ -f lib/lib$${prec}mumps.so ]; then \
			cp lib/lib$${prec}mumps.so $(VENDOR_LIB_DIR)/; \
			echo "      ✓ lib$${prec}mumps.so"; \
		fi; \
	done
	@if [ -f lib/libmumps_common.so ]; then \
		cp lib/libmumps_common.so $(VENDOR_LIB_DIR)/; \
		echo "      ✓ libmumps_common.so"; \
	fi
	@echo "  --> Copying combined libraries..."
	@cp lib/libmumps_$(VENDOR)_sdcz.a $(VENDOR_LIB_DIR)/
	@echo "      ✓ libmumps_$(VENDOR)_sdcz.a"
	@if [ -f lib/libmumps_$(VENDOR)_sdcz.so ]; then \
		cp lib/libmumps_$(VENDOR)_sdcz.so $(VENDOR_LIB_DIR)/; \
		echo "      ✓ libmumps_$(VENDOR)_sdcz.so"; \
	fi
	@echo "  --> Copying auxiliary libraries..."
	@cp lib/libmpiseq.a $(VENDOR_LIB_DIR)/ 2>/dev/null || true
	@cp PORD/lib/libpord.a $(VENDOR_LIB_DIR)/ 2>/dev/null || true
	@echo "==> Installation complete: $(VENDOR_LIB_DIR)"
	@ls -lh $(VENDOR_LIB_DIR)/

# Clean vendor-specific build
vendor-clean:
	@echo "==> Cleaning vendor build: $(VENDOR)"
	@rm -rf $(VENDOR_LIB_DIR)
	@rm -f lib/libmumps_$(VENDOR)_sdcz.a lib/libmumps_$(VENDOR)_sdcz.so
	@echo "  ✓ Cleaned"

# Quick test of vendor build
vendor-test: vendor-install
	@echo "==> Testing vendor build: $(VENDOR)"
	@echo "  --> Testing double precision simple test..."
	@if $(MAKE) -C examples BLAS_VENDOR=$(VENDOR) dsimpletest >/dev/null 2>&1; then \
		if ./examples/dsimpletest < examples/input_simpletest_real >/dev/null 2>&1; then \
			echo "      ✓ dsimpletest passed"; \
		else \
			echo "      ✗ dsimpletest failed to run"; \
			exit 1; \
		fi; \
	else \
		echo "      ✗ dsimpletest failed to build"; \
		exit 1; \
	fi
	@echo "  --> Checking library links..."
	@ldd examples/dsimpletest | grep -E "(blis|blas|lapack)" || echo "      → Using system BLAS"
	@echo "==> Test complete"

# Build all major vendors in parallel (requires separate shells)
vendor-build-all:
	@echo "==> Building all vendors: openblas mkl blis reference"
	@$(MAKE) vendor-install VENDOR=openblas
	@$(MAKE) vendor-install VENDOR=mkl
	@$(MAKE) vendor-install VENDOR=blis
	@$(MAKE) vendor-install VENDOR=reference
	@echo "==> All vendors built"

# Show vendor library status
vendor-status:
	@echo "==> Vendor library status"
	@for vendor in openblas mkl blis reference; do \
		if [ -d "lib/vendors/$$vendor" ]; then \
			echo "  ✓ $$vendor: $$(ls lib/vendors/$$vendor/*.a lib/vendors/$$vendor/*.so 2>/dev/null | wc -l) files"; \
			ls -lh lib/vendors/$$vendor/ | grep -E "lib.*mumps.*\.(a|so)" | awk '{print "      " $$9 " (" $$5 ")"}'; \
		else \
			echo "  ✗ $$vendor: not built"; \
		fi; \
	done

.PHONY: vendor-build-all vendor-status