Return-path: Received: from L01SLCSMTP01.calltower.com ([69.4.184.248]:3047 "EHLO L01SLCSMTP01.calltower.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754723AbZF3VT3 (ORCPT ); Tue, 30 Jun 2009 17:19:29 -0400 Subject: [PATCH 4/5] Introduce separate HOST and TARGET compilation steps. From: Jon Loeliger To: "Luis R. Rodriguez" Cc: "linux-wireless@vger.kernel.org" Content-Type: text/plain Date: Tue, 30 Jun 2009 16:19:32 -0500 Message-Id: <1246396772.13176.264.camel@jdl-desktop> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: The regdbdump tool is really a host executable that is used during the build process. It could also be installed and used on the target, but two separate compilations are needed to achieve that goal. Currently, regdbdump is only built for the target, and thus cross-compilation of the tool is really feasible without this patch (or one like it). Signed-off-by: Jon Loeliger --- Makefile | 250 +++++++++++++++++++++++++++++++++++++++++++++++++------------- 1 files changed, 199 insertions(+), 51 deletions(-) diff --git a/Makefile b/Makefile index 776b259..b755b67 100644 --- a/Makefile +++ b/Makefile @@ -24,45 +24,220 @@ UDEV_RULE_DIR?=/lib/udev/rules.d/ # with make PUBKEY_DIR=/usr/lib/crda/pubkeys PUBKEY_DIR?=pubkeys -CFLAGS += -Wall -g -all: $(REG_BIN) crda intersect verify +# +# Determine what target and host libraries and executables +# need to be built as that will determine what libraries will +# need to be found on the host or in the target environment. +# -ifeq ($(USE_OPENSSL),1) -CFLAGS += -DUSE_OPENSSL `pkg-config --cflags openssl` -LDLIBS += `pkg-config --libs openssl` +BUILD := crda intersect regdbdump -reglib.o: keys-ssl.c +HOST_BUILD := $(patsubst %,host/%,$(BUILD)) +TARGET_BUILD := $(patsubst %,target/%,$(BUILD)) +ifeq ($(CROSS_COMPILE),) + # Host only + # Initially treat host and target the same using target. + TARGET_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH) + TARGET_USE_OPENSSL := $(USE_OPENSSL) + BUILD_ALL := $(TARGET_BUILD) + INSTALL_EXECS := target/crda target/regdbdump else -CFLAGS += -DUSE_GCRYPT -LDLIBS += -lgcrypt + # Cross compile + BUILD_ALL := $(TARGET_BUILD) + ifeq ($(BUILD_FOR_HOST_TOO),1) + BUILD_ALL += $(HOST_BUILD) + endif + INSTALL_EXECS := target/crda target/regdbdump +endif + +INSTALL_MAN := crda.8.gz regdbdump.8.gz + -reglib.o: keys-gcrypt.c +TARGET_CFLAGS += -Wall -g + +ifeq ($(TARGET_USE_OPENSSL),1) + TARGET_CFLAGS_KEYS += -DUSE_OPENSSL \ + `PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --cflags openssl` + TARGET_LDLIBS_KEYS += `PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --libs openssl` + TARGET_KEYS_FILE := keys-ssl.c +else + TARGET_CFLAGS_KEYS += -DUSE_GCRYPT + TARGET_LDLIBS_KEYS += -lgcrypt + TARGET_KEYS_FILE := keys-gcrypt.c endif -MKDIR ?= mkdir -p -INSTALL ?= install -NL1FOUND := $(shell pkg-config --atleast-version=1 libnl-1 && echo Y) -NL2FOUND := $(shell pkg-config --atleast-version=2 libnl-2.0 && echo Y) +TARGET_NL1FOUND := $(shell PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --atleast-version=1 libnl-1 && echo Y) +TARGET_NL2FOUND := $(shell PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --atleast-version=2 libnl-2.0 && echo Y) -ifeq ($(NL1FOUND),Y) -NLLIBNAME = libnl-1 +ifeq ($(TARGET_NL1FOUND),Y) + TARGET_NLLIBNAME := libnl-1 endif -ifeq ($(NL2FOUND),Y) -CFLAGS += -DCONFIG_LIBNL20 -NLLIBS += -lnl-genl -NLLIBNAME = libnl-2.0 +ifeq ($(TARGET_NL2FOUND),Y) + TARGET_CFLAGS_NL += -DCONFIG_LIBNL20 + TARGET_LDLIBS_NL += -lnl-genl + TARGET_NLLIBNAME := libnl-2.0 endif -ifeq ($(NLLIBNAME),) -$(error Cannot find development files for any supported version of libnl) +ifneq ($(findstring clean,$(MAKECMDGOALS)),clean) +ifeq ($(TARGET_NLLIBNAME),) +$(error Cannot find development files for any supported version of target libnl) +endif endif -NLLIBS += `pkg-config --libs $(NLLIBNAME)` -CFLAGS += `pkg-config --cflags $(NLLIBNAME)` +TARGET_LDLIBS_NL += `PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --libs $(TARGET_NLLIBNAME)` +TARGET_CFLAGS_NL += `PKG_CONFIG_PATH=$(TARGET_PKG_CONFIG_PATH) \ + pkg-config --cflags $(TARGET_NLLIBNAME)` + +TARGET_CFLAGS += $(TARGET_CFLAGS_NL) $(TARGET_CFLAGS_KEYS) +TARGET_LDLIBS += $(TARGET_LDLIBS_NL) $(TARGET_LDLIBS_KEYS) + + +# +# When not cross-compiling, treat target and host the same +# by transferring target-values to the HOST_* names and then +# only building the host targets. +# +# However when cross-compiling, build-up the real host-values +# in HOST_*, leaving the generic names to be for the target. +# +ifeq ($(CROSS_COMPILE),) + +# Not cross compiling, the host is the target. +HOST_CC := $(CC) +HOST_CFLAGS := $(TARGET_CFLAGS) +HOST_CPPFLAGS := $(TARGET_CPPFLAGS) +HOST_LDFLAGS := $(TARGET_LDFLAGS) +HOST_LDLIBS := $(TARGET_LDLIBS) +HOST_USE_OPENSSL := $(TARGET_USE_OPENSSL) +HOST_LDLIBS := $(TARGET_LDLIBS) +HOST_KEYS_FILE := $(TARGET_KEYS_FILE) +BUILD_ALL := $(subst target/,host/,$(BUILD_ALL)) +INSTALL_EXECS := $(subst target/,host/,$(INSTALL_EXECS)) + +else + +# Cross compiling, so trump up HOST definitions now. + +HOST_CFLAGS += -Wall -g + +ifeq ($(HOST_USE_OPENSSL),1) + HOST_CFLAGS_KEYS += -DUSE_OPENSSL -DFOO \ + `PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --cflags openssl` + HOST_LDLIBS_KEYS += `PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --libs openssl` + HOST_KEYS_FILE := keys-ssl.c +else + HOST_CFLAGS_KEYS += -DUSE_GCRYPT + HOST_LDLIBS_KEYS += -lgcrypt + HOST_KEYS_FILE := keys-gcrypt.c +endif + + +ifeq ($(findstring host/crda,$(BUILD_ALL)),host/crda) +HOST_NL1FOUND := $(shell PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --atleast-version=1 libnl-1 && echo Y) +HOST_NL2FOUND := $(shell PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --atleast-version=2 libnl-2.0 && echo Y) + +ifeq ($(HOST_NL1FOUND),Y) + HOST_NLLIBNAME := libnl-1 +endif + +ifeq ($(HOST_NL2FOUND),Y) + HOST_CFLAGS_NL += -DCONFIG_LIBNL20 + HOST_LDLIBS_NL += -lnl-genl + HOST_NLLIBNAME := libnl-2.0 +endif + +ifeq ($(HOST_NLLIBNAME),) +$(error Cannot find development files for any supported version of host libnl) +endif + +HOST_LDLIBS_NL += `PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --libs $(HOST_NLLIBNAME)` +HOST_CFLAGS_NL += `PKG_CONFIG_PATH=$(HOST_PKG_CONFIG_PATH) \ + pkg-config --cflags $(HOST_NLLIBNAME)` +endif + +endif + +HOST_CFLAGS += $(HOST_CFLAGS_KEYS) $(HOST_CFLAGS_NL) +HOST_LDLIBS += $(HOST_LDLIBS_KEYS) $(HOST_LDLIBS_NL) + + +CRDA_OBJS := reglib.o crda.o +REGDBDUMP_OBJS := reglib.o regdbdump.o print-regdom.o +INTERSECT_OBJS := reglib.o intersect.o print-regdom.o + + + +all: host target $(REG_BIN) $(BUILD_ALL) verify + +host target: + $(MKDIR) $@ + @echo Building $(BUILD_ALL) + + +target/crda: $(patsubst %,target/%,$(CRDA_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) -o $@ $^ $(TARGET_LDLIBS) $(NLLIBS) + +target/regdbdump: $(patsubst %,target/%,$(REGDBDUMP_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) -o $@ $^ $(TARGET_LDLIBS) + +target/intersect: $(patsubst %,target/%,$(INTERSECT_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) -o $@ $^ $(TARGET_LDLIBS) + +target/reglib.o: $(TARGET_KEYS_FILE) + +target/%.o: %.c regdb.h + $(NQ) ' CC ' $@ + $(Q)$(CC) -c $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) -o $@ $< + + +host/crda: $(patsubst %,host/%,$(CRDA_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ $^ $(HOST_LDLIBS) $(HOST_LIBS_NL) + +host/regdbdump: $(patsubst %,host/%,$(REGDBDUMP_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ $^ $(HOST_LDLIBS) + +host/intersect: $(patsubst %,host/%,$(INTERSECT_OBJS)) + $(NQ) ' LD ' $@ + $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -o $@ $^ $(HOST_LDLIBS) + +host/reglib.o: $(HOST_KEYS_FILE) + +host/%.o: %.c regdb.h + $(NQ) ' HOST_CC ' $@ + $(Q)$(HOST_CC) -c $(HOST_CPPFLAGS) $(HOST_CFLAGS) -o $@ $< + + +keys-%.c: utils/key2pub.py $(wildcard $(PUBKEY_DIR)/*.pem) + $(NQ) ' GEN ' $@ + $(NQ) ' Trusted pubkeys:' $(wildcard $(PUBKEY_DIR)/*.pem) + $(Q)./utils/key2pub.py --$* $(wildcard $(PUBKEY_DIR)/*.pem) $@ + +verify: $(REG_BIN) host/regdbdump + $(NQ) ' CHK $(REG_BIN)' + $(Q)./host/regdbdump $(REG_BIN) >/dev/null + + +MKDIR ?= mkdir -p +INSTALL ?= install ifeq ($(V),1) Q= @@ -72,9 +247,6 @@ Q=@ NQ=@echo endif -INSTALL_EXECS := crda -INSTALL_MAN := crda.8.gz regdbdump.8.gz - $(REG_BIN): $(NQ) ' EXIST ' $(REG_BIN) $(NQ) @@ -87,31 +259,6 @@ $(REG_BIN): $(NQ) $(Q) exit 1 -keys-%.c: utils/key2pub.py $(wildcard $(PUBKEY_DIR)/*.pem) - $(NQ) ' GEN ' $@ - $(NQ) ' Trusted pubkeys:' $(wildcard $(PUBKEY_DIR)/*.pem) - $(Q)./utils/key2pub.py --$* $(wildcard $(PUBKEY_DIR)/*.pem) $@ - -%.o: %.c regdb.h - $(NQ) ' CC ' $@ - $(Q)$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< - -crda: reglib.o crda.o - $(NQ) ' LD ' $@ - $(Q)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS) $(NLLIBS) - -regdbdump: reglib.o regdbdump.o print-regdom.o - $(NQ) ' LD ' $@ - $(Q)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS) - -intersect: reglib.o intersect.o print-regdom.o - $(NQ) ' LD ' $@ - $(Q)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS) - -verify: $(REG_BIN) regdbdump - $(NQ) ' CHK $(REG_BIN)' - $(Q)./regdbdump $(REG_BIN) >/dev/null - %.gz: % @$(NQ) ' GZIP' $< $(Q)gzip < $< > $@ @@ -152,3 +299,4 @@ clean: $(NQ) ' CLEAN' $(Q)rm -f crda regdbdump intersect *.o *~ *.pyc keys-*.c *.gz \ udev/$(UDEV_LEVEL)regulatory.rules udev/regulatory.rules.parsed + $(Q)rm -rf host/ target/ -- 1.6.3.GIT