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Improve build system #262

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d657876
Respect CFLAGS from the environment in nvidia-modprobe.mk
lahwaacz Apr 14, 2024
7cfacf0
Respect CGO_CFLAGS and CGO_LDFLAGS from the environment in nvcgo/Make…
lahwaacz Apr 14, 2024
26818f5
Add GO_LDFLAGS variable to nvcgo/Makefile to allow packagers specifyi…
lahwaacz Apr 14, 2024
b7bf5ec
Add STRIP_DEBUG_INFO variable to allow omitting strip during build phase
lahwaacz Apr 14, 2024
d59a46c
Modify WITH_TIRPC variable for consistency with WITH_LIBELF and WITH_…
lahwaacz Apr 14, 2024
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23 changes: 19 additions & 4 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ WITH_NVCGO ?= yes
WITH_LIBELF ?= no
WITH_TIRPC ?= no
WITH_SECCOMP ?= yes
STRIP_DEBUG_INFO ?= yes

##### Global definitions #####

Expand Down Expand Up @@ -162,6 +163,9 @@ else
LIB_LDLIBS_STATIC += -l:libelf.a
endif
ifeq ($(WITH_TIRPC), yes)
LIB_CPPFLAGS += -DWITH_TIRPC $(shell pkg-config --cflags libtirpc)
LIB_LDLIBS_SHARED += -lpthread $(shell pkg-config --libs libtirpc)
else
LIB_CPPFLAGS += -isystem $(DEPS_DIR)$(includedir)/tirpc -DWITH_TIRPC
LIB_LDLIBS_STATIC += -l:libtirpc.a
LIB_LDLIBS_SHARED += -lpthread
Expand Down Expand Up @@ -219,22 +223,28 @@ $(BIN_OBJS): %.o: %.c | shared
-include $(DEPENDENCIES)

$(LIB_SHARED): $(LIB_OBJS)
$(MKDIR) -p $(DEBUG_DIR)
$(CC) $(LIB_CFLAGS) $(LIB_CPPFLAGS) $(LIB_LDFLAGS) $(OUTPUT_OPTION) $^ $(LIB_SCRIPT) $(LIB_LDLIBS)
ifeq ($(STRIP_DEBUG_INFO), yes)
$(MKDIR) -p $(DEBUG_DIR)
$(OBJCPY) --only-keep-debug $@ $(LIB_SONAME)
$(OBJCPY) --add-gnu-debuglink=$(LIB_SONAME) $@
$(MV) $(LIB_SONAME) $(DEBUG_DIR)
$(STRIP) --strip-unneeded -R .comment $@
endif

$(LIB_STATIC_OBJ): $(LIB_OBJS)
# FIXME Handle user-defined LDFLAGS and LDLIBS
$(LD) -d -r --exclude-libs ALL -L$(DEPS_DIR)$(libdir) $(OUTPUT_OPTION) $^ $(LIB_LDLIBS_STATIC)
ifeq ($(STRIP_DEBUG_INFO), yes)
$(OBJCPY) --localize-hidden $@
$(STRIP) --strip-unneeded -R .comment $@
endif

$(BIN_NAME): $(BIN_OBJS)
$(CC) $(BIN_CFLAGS) $(BIN_CPPFLAGS) $(BIN_LDFLAGS) $(OUTPUT_OPTION) $^ $(BIN_SCRIPT) $(BIN_LDLIBS)
ifeq ($(STRIP_DEBUG_INFO), yes)
$(STRIP) --strip-unneeded -R .comment $@
endif

##### Public rules #####

Expand Down Expand Up @@ -262,12 +272,12 @@ endif
ifeq ($(WITH_LIBELF), no)
$(MAKE) -f $(MAKE_DIR)/elftoolchain.mk DESTDIR=$(DEPS_DIR) install
endif
ifeq ($(WITH_TIRPC), yes)
ifeq ($(WITH_TIRPC), no)
$(MAKE) -f $(MAKE_DIR)/libtirpc.mk DESTDIR=$(DEPS_DIR) install
endif

install: all
$(INSTALL) -d -m 755 $(addprefix $(DESTDIR),$(includedir) $(bindir) $(libdir) $(docdir) $(libdbgdir) $(pkgconfdir))
$(INSTALL) -d -m 755 $(addprefix $(DESTDIR),$(includedir) $(bindir) $(libdir) $(docdir) $(pkgconfdir))
# Install header files
$(INSTALL) -m 644 $(LIB_INCS) $(DESTDIR)$(includedir)
# Install library files
Expand All @@ -280,7 +290,10 @@ ifeq ($(WITH_NVCGO), yes)
endif
$(LDCONFIG) -n $(DESTDIR)$(libdir)
# Install debugging symbols
ifeq ($(STRIP_DEBUG_INFO), yes)
$(INSTALL) -d -m 755 $(addprefix $(DESTDIR),$(libdbgdir))
$(INSTALL) -m 644 $(DEBUG_DIR)/$(LIB_SONAME) $(DESTDIR)$(libdbgdir)
endif
# Install configuration files
$(MAKE_DIR)/$(LIB_PKGCFG).in "$(strip $(VERSION))" "$(strip $(LIB_LDLIBS_SHARED))" > $(DESTDIR)$(pkgconfdir)/$(LIB_PKGCFG)
# Install binary files
Expand All @@ -298,7 +311,9 @@ ifeq ($(WITH_NVCGO), yes)
$(RM) $(addprefix $(DESTDIR)$(libdir)/,$(LIBGO_SHARED) $(LIBGO_SONAME) $(LIBGO_SYMLINK))
endif
# Uninstall debugging symbols
ifeq ($(STRIP_DEBUG_INFO), yes)
$(RM) $(DESTDIR)$(libdbgdir)/$(LIB_SONAME)
endif
# Uninstall configuration files
$(RM) $(DESTDIR)$(pkgconfdir)/$(LIB_PKGCFG)
# Uninstall binary files
Expand All @@ -320,7 +335,7 @@ endif
ifeq ($(WITH_LIBELF), no)
-$(MAKE) -f $(MAKE_DIR)/elftoolchain.mk clean
endif
ifeq ($(WITH_TIRPC), yes)
ifeq ($(WITH_TIRPC), no)
-$(MAKE) -f $(MAKE_DIR)/libtirpc.mk clean
endif

Expand Down
4 changes: 1 addition & 3 deletions mk/docker.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,6 @@ docker-amd64-verify: $(patsubst %, %-verify, $(AMD64_TARGETS)) \

# private centos target with overrides
--centos%: OS := centos
--centos%: WITH_TIRPC = yes
--centos%: WITH_LIBELF = yes
--centos8%: BASEIMAGE = quay.io/centos/centos:stream8

Expand All @@ -139,8 +138,7 @@ docker-amd64-verify: $(patsubst %, %-verify, $(AMD64_TARGETS)) \
--rhel%: OS := centos
--rhel%: VERSION = $(patsubst rhel%-$(ARCH),%,$(TARGET_PLATFORM))
--rhel%: ARTIFACTS_DIR = $(DIST_DIR)/rhel$(VERSION)/$(ARCH)
--rhel8%: CFLAGS := -I/usr/include/tirpc
--rhel8%: LDLIBS := -ltirpc
--rhel%: WITH_TIRPC = yes
--rhel8%: BASEIMAGE = quay.io/centos/centos:stream8

--verify-rhel%: OS := centos
Expand Down
2 changes: 1 addition & 1 deletion mk/nvidia-modprobe.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ PATCH_FILE := $(MAKE_DIR)/nvidia-modprobe.patch

ARFLAGS := -rU
CPPFLAGS := -D_FORTIFY_SOURCE=2 -DNV_LINUX
CFLAGS := -O2 -g -fdata-sections -ffunction-sections -fstack-protector -fno-strict-aliasing -fPIC
CFLAGS := -O2 -g -fdata-sections -ffunction-sections -fstack-protector -fno-strict-aliasing -fPIC $(CFLAGS)

##### Private rules #####

Expand Down
9 changes: 6 additions & 3 deletions src/nvcgo/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -31,15 +31,18 @@ OBJ_NAME := $(LIB_NAME).so
HDR_NAME := $(LIB_NAME).h
CTYPES_H := ctypes.h

CGO_CFLAGS := -std=gnu11 -O2
CGO_LDFLAGS := -Wl,--gc-sections -Wl,-s -Wl,-soname,$(LIB_SONAME)
CGO_CFLAGS := -std=gnu11 -O2 $(CGO_CFLAGS)
CGO_LDFLAGS := -Wl,--gc-sections -Wl,-s -Wl,-soname,$(LIB_SONAME) $(CGO_LDFLAGS)

# by default, omit the symbol table and debug information (-s) and omit the DWARF symbol table (-w).
GO_LDFLAGS ?= -s -w

build: $(OBJ_NAME)

$(OBJ_NAME): $(wildcard $(CURDIR)/*.go) $(wildcard */*.go)
export CGO_CFLAGS="$(CGO_CFLAGS)"; \
export CGO_LDFLAGS="$(CGO_LDFLAGS)"; \
$(GO) build -o $(@) -ldflags "-s -w" -buildmode=c-shared .
$(GO) build -o $(@) -ldflags "$(GO_LDFLAGS)" -buildmode=c-shared .

install: $(OBJ_NAME)
$(INSTALL) -d -m 755 $(addprefix $(DESTDIR),$(libdir) $(includedir)/$(PKG_NAME))
Expand Down