Merge branch 'adam-coht'

Changes in the buildsystem. Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

Merge branch 'adam-coht'
Changes in the buildsystem. Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
7fc852d7 · Adam Wujek · 84ef3a49 · fb5c902b · 7fc852d7 · 7fc852d7
Commit 7fc852d7 authored Nov 20, 2015 by Adam Wujek 💬
10 changed files
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@
 *.order
 *.symvers
 *.mod.c
+*.o.d
+*.tmp
 *.lof
 *.bib
 *.bbl

--- a/Makefile
+++ b/Makefile
+# include parent_common.mk for buildsystem's defines
+# use absolute path for REPO_PARENT
+CURDIR:=$(shell /bin/pwd)
+REPO_PARENT=$(CURDIR)/..
+-include $(REPO_PARENT)/parent_common.mk

-.PHONY: all clean modules install modules_install clean_all
-.PHONY: gitmodules prereq prereq_install prereq_install_warn prereq_clean
+all: kernel tools lib libtools

-DIRS = kernel tools lib libtools
+FMC_BUS ?= fmc-bus
+ZIO ?= zio
+SPEC_SW ?= spec-sw
+SVEC_SW ?= svec-sw

-all clean modules install modules_install: gitmodules
-	@if echo $@ | grep -q install; then $(MAKE) prereq_install_warn; fi
-	for d in $(DIRS); do $(MAKE) -C $$d $@ || exit 1; done
+# Use the absolute path so it can be used by submodule
+# FMC_BUS_ABS, ZIO_ABS, SPEC_SW_ABS and SVEC_SW_ABS has to be absolut path,
+# due to beeing passed to the Kbuild
+FMC_BUS_ABS ?= $(abspath $(FMC_BUS) )
+ZIO_ABS ?= $(abspath $(ZIO) )
+SPEC_SW_ABS ?= $(abspath $(SPEC_SW) )
+SVEC_SW_ABS ?= $(abspath $(SVEC_SW) )

-all modules: prereq
+export FMC_BUS_ABS
+export ZIO_ABS
+export SPEC_SW_ABS
+export SVEC_SW_ABS

-clean_all: clean prereq_clean
+DIRS = $(FMC_BUS_ABS) $(ZIO_ABS) $(SPEC_SW_ABS) kernel tools lib libtools

-#### The following targets are used to manage prerequisite repositories
-#### only for THIS repository
-gitmodules:
-	@test -d fmc-bus/doc || echo "Checking out submodules"
-	@test -d fmc-bus/doc || git submodule update --init
+$(SPEC_SW_ABS): $(FMC_BUS_ABS)
+kernel: $(FMC_BUS_ABS) $(ZIO_ABS) $(SPEC_SW_ABS)
+lib: $(ZIO_ABS)
+tools libtools: lib
+# we take only headers from svec-sw, no need to compile
+kernel: svec-sw-init_repo

-# The user can override, using environment variables, the place for our
-# three submodules. Note that svec-sw is not built, as it uses cern-internal
-# pathnames, and thus won't build elsewhere. We have it as a submodule to
-# find needed headers to build kernel code.
-#
-# Use the absolute path so it can be used by submodule
-CURDIR ?= $(shell pwd)
-FMC_BUS ?= $(CURDIR)/fmc-bus
-export FMC_BUS
-ZIO ?= $(CURDIR)/zio
-ZIO_VERSION = $(shell cd $(ZIO); git describe --always --dirty --long --tags)
-export ZIO_VERSION
-SPEC_SW ?= $(CURDIR)/spec-sw
-SUBMOD = $(FMC_BUS) $(ZIO) $(SPEC_SW)
-
-prereq:
-	for d in $(SUBMOD); do $(MAKE) -C $$d || exit 1; done
+.PHONY: all clean modules install modules_install $(DIRS)
+.PHONY: gitmodules prereq_install prereq_install_warn
+
+install modules_install: prereq_install_warn
+
+all clean modules install modules_install: $(DIRS)
+
+clean: TARGET = clean
+modules: TARGET = modules
+install: TARGET = install
+modules_install: TARGET = modules_install
+
+
+$(DIRS):
+	$(MAKE) -C $@ $(TARGET)
+
+
+SUBMOD = $(FMC_BUS_ABS) $(ZIO_ABS) $(SPEC_SW_ABS)

 prereq_install_warn:
 	@test -f .prereq_installed || \
@@ -44,5 +60,22 @@ prereq_install:
 	for d in $(SUBMOD); do $(MAKE) -C $$d modules_install || exit 1; done
 	touch .prereq_installed

-prereq_clean:
-	for d in $(SUBMOD); do $(MAKE) -C $$d clean || exit 1; done
+$(FMC_BUS_ABS): fmc-bus-init_repo
+$(ZIO_ABS): zio-init_repo
+$(SPEC_SW_ABS): spec-sw-init_repo
+
+# init submodule if missing
+fmc-bus-init_repo:
+	@test -d $(FMC_BUS_ABS)/doc || ( echo "Checking out submodule $(FMC_BUS_ABS)" && git submodule update --init $(FMC_BUS_ABS) )
+
+# init submodule if missing
+zio-init_repo:
+	@test -d $(ZIO_ABS)/doc || ( echo "Checking out submodule $(ZIO_ABS)" && git submodule update --init $(ZIO_ABS) )
+
+# init submodule if missing
+spec-sw-init_repo:
+	@test -d $(SPEC_SW_ABS)/doc || ( echo "Checking out submodule $(SPEC_SW_ABS)" && git submodule update --init $(SPEC_SW_ABS) )
+
+# init submodule if missing
+svec-sw-init_repo:
+	@test -d $(SVEC_SW_ABS)/doc || ( echo "Checking out submodule $(SVEC_SW_ABS)" && git submodule update --init $(SVEC_SW_ABS) )
--- a/kernel/.gitignore
+++ b/kernel/.gitignore
+fmc-bus-link
--- a/kernel/Kbuild
+++ b/kernel/Kbuild
+CONFIG_FMC_ADC_SVEC ?= CONFIG_VME
+
+SVEC_SW_EXTRA_SYMBOLS-$(CONFIG_FMC_ADC_SVEC) := $(SVEC_SW_ABS)/kernel/Module.symvers.vmebus
+KBUILD_EXTRA_SYMBOLS := \
+	$(ZIO_ABS)/Module.symvers \
+	$(FMC_BUS_ABS)/kernel/Module.symvers \
+	$(SVEC_SW_EXTRA_SYMBOLS-y)
+
+# add versions of supermodule. It is useful when fine-delay-sw is included as sub-module
+# of a bigger project that we want to track
+ifdef CONFIG_SUPER_REPO
+ifdef CONFIG_SUPER_REPO_VERSION
+SUBMODULE_VERSIONS-y += MODULE_INFO(version_$(CONFIG_SUPER_REPO),\"$(CONFIG_SUPER_REPO_VERSION)\");
+endif
+endif
+# add versions of used submodules
+SUBMODULE_VERSIONS-y += MODULE_INFO(version_fmc_bus,\"$(FMC_BUS_VERSION)\");
+SUBMODULE_VERSIONS-y += MODULE_INFO(version_zio,\"$(ZIO_VERSION)\");
+SUBMODULE_VERSIONS-y += MODULE_INFO(version_spec_sw,\"$(SPEC_SW_VERSION)\");
+SUBMODULE_VERSIONS-$(CONFIG_FMC_ADC_SVEC) += MODULE_INFO(version_svec_sw,\"$(SVEC_SW_VERSION)\");
+
+ccflags-y += -DADDITIONAL_VERSIONS="$(SUBMODULE_VERSIONS-y)"
+
+# The library includes <sdb.h>, so point -I directtly there
+# include our header before to avoid conflicts with the kernel
+LINUXINCLUDE :=  -I$(FMC_BUS_ABS)/kernel/include $(LINUXINCLUDE)
+
+ccflags-y += -DGIT_VERSION=\"$(GIT_VERSION)\" \
+	-I$(ZIO_ABS)/include \
+	-I$(SPEC_SW_ABS)/kernel \
+	-I$(src)
+
+ccflags-$(CONFIG_FMC_ADC_SVEC) += -I$(SVEC_SW_ABS)/kernel
+ccflags-$(CONFIG_FMC_ADC_DEBUG) += -DDEBUG
+ccflags-$(CONFIG_FMC_ADC_SVEC) += -DCONFIG_FMC_ADC_SVEC
+
+# Extract ZIO minimum compatible version
+ccflags-y += -D__ZIO_MIN_MAJOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-' -f 2 | cut -d '.' -f 1; )
+ccflags-y += -D__ZIO_MIN_MINOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-' -f 2 | cut -d '.' -f 2; )
+
+subdirs-ccflags-y = $(ccflags-y)
+
+obj-m := fmc-adc-100m14b.o
+fmc-adc-100m14b-y =  fa-core.o
+fmc-adc-100m14b-y += fa-zio-drv.o
+fmc-adc-100m14b-y += fa-calibration.o
+fmc-adc-100m14b-y += fa-regtable.o
+fmc-adc-100m14b-y += fa-zio-trg.o
+fmc-adc-100m14b-y += fa-irq.o
+fmc-adc-100m14b-y += onewire.o
+fmc-adc-100m14b-y += spi.o
+fmc-adc-100m14b-y += fmc-util.o
+fmc-adc-100m14b-y += fa-spec-core.o
+fmc-adc-100m14b-y += fa-spec-regtable.o
+fmc-adc-100m14b-y += fa-spec-dma.o
+fmc-adc-100m14b-y += fa-spec-irq.o
+fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-core.o
+fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-regtable.o
+fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-dma.o
--- a/kernel/Makefile
+++ b/kernel/Makefile
+# include parent_common.mk for buildsystem's defines
+# use absolute path for REPO_PARENT
+CURDIR:=$(shell /bin/pwd)
+REPO_PARENT=$(CURDIR)/../..
+-include $(REPO_PARENT)/parent_common.mk

 LINUX ?= /lib/modules/$(shell uname -r)/build
-ZIO ?= $(src)/../zio
-FMC_BUS ?= $(src)/../fmc-bus
-SPEC_SW ?= $(src)/../spec-sw
-SVEC_SW ?= $(src)/../svec-sw
-CONFIG_FMC_ADC_SVEC ?= CONFIG_VME
-
-KBUILD_EXTRA_SYMBOLS := \
-	$(ZIO)/Module.symvers \
-	$(FMC_BUS)/kernel/Module.symvers
-
-GIT_VERSION = $(shell cd $(src); git describe --always --dirty --long --tags)
-
-# For this CSM_VERSION, please see ohwr.org/csm documentation
-ifdef CONFIG_CSM_VERSION
-  ccflags-y += -D"CERN_SUPER_MODULE=MODULE_VERSION(\"$(CONFIG_CSM_VERSION)\")"
-else
-  ccflags-y += -DCERN_SUPER_MODULE=""
-endif
-
-# The library includes <sdb.h>, so point -I directtly there
-# include our header before to avoid conflicts with the kernel
-LINUXINCLUDE :=  -I$(FMC_BUS)/kernel/include $(LINUXINCLUDE)
-
-ccflags-y += -DGIT_VERSION=\"$(GIT_VERSION)\" \
-	-I$(ZIO)/include \
-	-I$(SPEC_SW)/kernel \
-	-I$(SVEC_SW)/kernel \
-	-I$(src)
-
-ccflags-$(CONFIG_FMC_ADC_DEBUG) += -DDEBUG
-ccflags-$(CONFIG_FMC_ADC_SVEC) += -DCONFIG_FMC_ADC_SVEC
-
-# Extract ZIO minimum compatible version
-ccflags-y += -D__ZIO_MIN_MAJOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-' -f 2 | cut -d '.' -f 1; )
-ccflags-y += -D__ZIO_MIN_MINOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-' -f 2 | cut -d '.' -f 2; )
-
-subdirs-ccflags-y = $(ccflags-y)
-
-obj-m := fmc-adc-100m14b.o
-fmc-adc-100m14b-y =  fa-core.o
-fmc-adc-100m14b-y += fa-zio-drv.o
-fmc-adc-100m14b-y += fa-calibration.o
-fmc-adc-100m14b-y += fa-regtable.o
-fmc-adc-100m14b-y += fa-zio-trg.o
-fmc-adc-100m14b-y += fa-irq.o
-fmc-adc-100m14b-y += onewire.o
-fmc-adc-100m14b-y += spi.o
-fmc-adc-100m14b-y += fmc-util.o
-fmc-adc-100m14b-y += fa-spec-core.o
-fmc-adc-100m14b-y += fa-spec-regtable.o
-fmc-adc-100m14b-y += fa-spec-dma.o
-fmc-adc-100m14b-y += fa-spec-irq.o
-fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-core.o
-fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-regtable.o
-fmc-adc-100m14b-$(CONFIG_FMC_ADC_SVEC) += fa-svec-dma.o
+FMC_BUS ?= ../fmc-bus
+ZIO ?= ../zio
+SPEC_SW ?= ../spec-sw
+SVEC_SW ?= ../svec-sw
+
+# FMC_BUS_ABS, ZIO_ABS, SPEC_SW_ABS and SVEC_SW_ABS has to be absolut path,
+# due to beeing passed to the Kbuild
+FMC_BUS_ABS ?= $(abspath $(FMC_BUS) )
+ZIO_ABS ?= $(abspath $(ZIO) )
+SPEC_SW_ABS ?= $(abspath $(SPEC_SW) )
+SVEC_SW_ABS ?= $(abspath $(SVEC_SW) )
+
+GIT_VERSION = $(shell git describe --always --dirty --long --tags)
+export GIT_VERSION
+
+FMC_BUS_VERSION ?= $(shell cd $(FMC_BUS_ABS); git describe --always --dirty --long --tags)
+ZIO_VERSION     ?= $(shell cd $(ZIO_ABS);     git describe --always --dirty --long --tags)
+SPEC_SW_VERSION ?= $(shell cd $(SPEC_SW_ABS); git describe --always --dirty --long --tags)
+SVEC_SW_VERSION ?= $(shell cd $(SVEC_SW_ABS); git describe --always --dirty --long --tags)
+
+export FMC_BUS_VERSION
+export ZIO_VERSION
+export SPEC_SW_VERSION
+export SVEC_SW_VERSION

 all modules:
-	$(MAKE) -C $(LINUX) M=$(shell /bin/pwd) modules
+	$(MAKE) -C $(LINUX) M=$(CURDIR) FMC_BUS_ABS=$(FMC_BUS_ABS) \
+		ZIO_ABS=$(ZIO_ABS) SPEC_SW_ABS=$(SPEC_SW_ABS) \
+		SVEC_SW_ABS=$(SVEC_SW_ABS) modules

-install modules_install:
-	$(MAKE) -C $(LINUX) M=$(shell /bin/pwd) modules_install
+install modules_install: modules
+	$(MAKE) -C $(LINUX) M=$(CURDIR) modules_install

 # be able to run the "clean" rule even if $(LINUX) is not valid
 clean:

--- a/kernel/fa-core.c
+++ b/kernel/fa-core.c
@@ -637,4 +637,4 @@ MODULE_DESCRIPTION("FMC-ADC-100MS-14b Linux Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(GIT_VERSION);

-CERN_SUPER_MODULE;
+ADDITIONAL_VERSIONS;
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -5,7 +5,12 @@
 # build a particular environment.
 -include Makefile.specific

+# include parent_common.mk for buildsystem's defines
+REPO_PARENT=../..
+-include $(REPO_PARENT)/parent_common.mk
+
 ZIO ?= ../zio
+ZIO_ABS ?= $(abspath $(ZIO) )

 LIB = libfmcadc.a
 LOBJ := route.o
@@ -15,7 +20,7 @@ LOBJ += config-zio.o
 LOBJ += buffer-zio.o
 LOBJ += lib.o
 LOBJ += fmc-adc-100m14b4cha.o
-CFLAGS = -Wall -ggdb -O2 -I../kernel -I$(ZIO)/include $(EXTRACFLAGS)
+CFLAGS = -Wall -ggdb -O2 -I../kernel -I$(ZIO_ABS)/include $(EXTRACFLAGS)
 LDFLAGS = -L. -lfmcadc

 CC ?= $(CROSS_COMPILE)gcc
@@ -27,7 +32,7 @@ modules all: $(LIB)
 	$(CC) $(CFLAGS) $*.c $(LDFLAGS) -o $@

 $(LIB): $(LOBJ)
-	ar r $@ $^
+	$(AR) r $@ $^

 clean:
 	rm -f $(LIB) .depend *.o *~

--- a/libtools/Makefile
+++ b/libtools/Makefile
@@ -3,13 +3,19 @@
 # build a particular environment.
 -include Makefile.specific

+# include parent_common.mk for buildsystem's defines
+REPO_PARENT=../..
+-include $(REPO_PARENT)/parent_common.mk
+
 DESTDIR ?= /usr/local

 LIBADC = ../lib/
 ZIO ?= ../zio
+ZIO_ABS ?= $(abspath $(ZIO) )

-CFLAGS = -Wall -g -ggdb -I$(LIBADC) -I$(ZIO)/include -I../kernel $(EXTRACFLAGS)
-LDFLAGS = -L$(LIBADC) -lfmcadc -lpthread -lrt
+CFLAGS = -Wall -g -ggdb -I$(LIBADC) -I$(ZIO_ABS)/include -I../kernel $(EXTRACFLAGS)
+LDFLAGS = -L$(LIBADC)
+LDLIBS = -lfmcadc -lpthread -lrt

 DEMOS := fald-simple-acq fald-acq fald-trg-cfg 
 DEMOS += fald-simple-get-conf
@@ -26,7 +32,7 @@ install:
 	install -D $(DEMOS) $(DESTDIR)/bin

 %: %.c $(LIBADC)/libfmcadc.a
-	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS) $(LDLIBS)

 # make nothing for modules_install, but avoid errors
 modules_install:

--- a/libtools/fald-acq.c
+++ b/libtools/fald-acq.c
@@ -519,6 +519,8 @@ static void *change_config_thread(void *arg)
 			fd = open(adcfifo, O_RDONLY);
 		}
 	}
+	/* function never returns, but return NULL to avoid warning */
+	return NULL;
 }



--- a/tools/Makefile
+++ b/tools/Makefile
@@ -3,11 +3,17 @@
 # build a particular environment.
 -include Makefile.specific

+# include parent_common.mk for buildsystem's defines
+REPO_PARENT=../..
+-include $(REPO_PARENT)/parent_common.mk
+
+ZIO ?= ../zio
+ZIO_ABS ?= $(abspath $(ZIO) )
 # user-space tools for spec-fine-delay
-M = $(shell /bin/pwd)/../kernel
+M = ../kernel
 DESTDIR ?= /usr/local

-CFLAGS += -I$(M) -I$(ZIO)/include -Wno-trigraphs -Wall -ggdb -O2  $(EXTRACFLAGS)
+CFLAGS += -I$(M) -I$(ZIO_ABS)/include -Wno-trigraphs -Wall -ggdb -O2  $(EXTRACFLAGS)

 CC ?= $(CROSS_COMPILE)gcc