From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Wed, 10 Jun 2009 17:35:30 +0000 (-0400)
Subject: Add Makefile and Makefile64 architecture autodetection
X-Git-Tag: v0.1~173
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=60fe0c90c4f70d12487235f750f21561da5e455b;p=urcu.git

Add Makefile and Makefile64 architecture autodetection

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/Makefile b/Makefile
index 5b8e655..917aa1a 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,18 @@
 CFLAGS=-Wall -O2 -g -I.
 LDFLAGS=-lpthread
 
+HOSTTYPE=$(shell uname -m)
+
+ifeq ("${HOSTTYPE}","x86_64")
+ARCHTYPE=x86
+endif
+ifeq ("${HOSTTYPE}","i486")
+ARCHTYPE=x86
+endif
+ifeq ("${HOSTTYPE}","powerpc")
+ARCHTYPE=ppc
+endif
+
 #debug
 #CFLAGS=-Wall -g
 #CFLAGS+=-DDEBUG_FULL_MB
@@ -11,26 +23,30 @@ LDFLAGS=-lpthread
 
 SRC_DEP=`echo $^ | sed 's/[^ ]*\.h//g'`
 
-all: arch-api test_urcu test_urcu_dynamic_link test_urcu_timing \
+all: checkarch test_urcu test_urcu_dynamic_link test_urcu_timing \
 	test_rwlock_timing test_rwlock test_perthreadlock_timing \
 	test_perthreadlock test_urcu_yield test_urcu_mb \
 	urcu-asm.S test_qsbr_timing test_qsbr urcu-asm.o urcutorture \
 	urcutorture-yield liburcu.so
 
-arch-api: api.h arch.h
-	# Run either make pthreads-x86 or make pthreads-ppc prior to build
-	# the RCU library. Architecture auto-detectection not implemented
-	# in the build system yet.
+checkarch:
+ifeq (${ARCHTYPE},)
+	@echo "Architecture ${HOSTTYPE} is currently unsupported by liburcu"
+	@exit 1
+endif
+
+arch.h: arch_${ARCHTYPE}.h
+	cp -f arch_${ARCHTYPE}.h arch.h
+
+api.h: api_${ARCHTYPE}.h
+	cp -f api_${ARCHTYPE}.h api.h
 
-pthreads-x86: clean
-	cp api_x86.h api.h
-	cp arch_x86.h arch.h
-	cp arch_atomic_x86.h arch_atomic.h
+arch_atomic.h: arch_atomic_${ARCHTYPE}.h
+	cp -f arch_atomic_${ARCHTYPE}.h arch_atomic.h
 
-pthreads-ppc: clean
-	cp api_ppc.h api.h
-	cp arch_ppc.h arch.h
-	cp arch_atomic_ppc.h arch_atomic.h
+urcu.h: arch.h api.h arch_atomic.h
+
+urcu-qsbr.h: arch.h api.h arch_atomic.h
 
 test_urcu: urcu.o test_urcu.c urcu.h
 	$(CC) ${CFLAGS} $(LDFLAGS) -o $@ $(SRC_DEP)
@@ -92,7 +108,7 @@ urcutorture: urcutorture.c urcu.o urcu.h rcutorture.h
 urcutorture-yield: urcutorture.c urcu-yield.o urcu.h rcutorture.h
 	$(CC) -DDEBUG_YIELD ${CFLAGS} $(LDFLAGS) -o $@ $(SRC_DEP)
 
-.PHONY: clean install arch-api
+.PHONY: clean install checkarch
 
 install: liburcu.so
 	cp -f liburcu.so /usr/lib/
@@ -103,5 +119,5 @@ clean:
 	test_rwlock_timing test_rwlock test_perthreadlock_timing \
 	test_perthreadlock test_urcu_yield test_urcu_mb \
 	urcu-asm.S test_qsbr_timing test_qsbr urcutorture \
-	urcutorture-yield liburcu.so
+	urcutorture-yield liburcu.so api.h arch.h arch_atomic.h
 
diff --git a/Makefile64 b/Makefile64
index 83b0fd6..c484a5e 100644
--- a/Makefile64
+++ b/Makefile64
@@ -3,6 +3,18 @@
 CFLAGS=-m64 -O2 -g -I.
 LDFLAGS=-lpthread
 
+HOSTTYPE=$(shell uname -m)
+
+ifeq ("${HOSTTYPE}","x86_64")
+ARCHTYPE=x86
+endif
+ifeq ("${HOSTTYPE}","i486")
+ARCHTYPE=x86
+endif
+ifeq ("${HOSTTYPE}","powerpc")
+ARCHTYPE=ppc
+endif
+
 #debug
 #CFLAGS=-m64 -Wall -g
 #CFLAGS+=-DDEBUG_FULL_MB
@@ -12,26 +24,30 @@ LDFLAGS=-lpthread
 
 SRC_DEP=`echo $^ | sed 's/[^ ]*\.h//g'`
 
-all: arch-api test_urcu test_urcu_dynamic_link test_urcu_timing \
+all: checkarch test_urcu test_urcu_dynamic_link test_urcu_timing \
 	test_rwlock_timing test_rwlock test_perthreadlock_timing \
 	test_perthreadlock test_urcu_yield test_urcu_mb \
 	urcu-asm.S test_qsbr_timing test_qsbr urcu-asm.o urcutorture \
 	urcutorture-yield liburcu.so
 
-arch-api: api.h arch.h
-	# Run either make pthreads-x86 or make pthreads-ppc prior to build
-	# the RCU library. Architecture auto-detectection not implemented
-	# in the build system yet.
+checkarch:
+ifeq (${ARCHTYPE},)
+	@echo "Architecture ${HOSTTYPE} is currently unsupported by liburcu"
+	@exit 1
+endif
+
+arch.h: arch_${ARCHTYPE}.h
+	cp -f arch_${ARCHTYPE}.h arch.h
+
+api.h: api_${ARCHTYPE}.h
+	cp -f api_${ARCHTYPE}.h api.h
 
-pthreads-x86: clean
-	cp api_x86.h api.h
-	cp arch_x86.h arch.h
-	cp arch_atomic_x86.h arch_atomic.h
+arch_atomic.h: arch_atomic_${ARCHTYPE}.h
+	cp -f arch_atomic_${ARCHTYPE}.h arch_atomic.h
 
-pthreads-ppc: clean
-	cp api_ppc.h api.h
-	cp arch_ppc.h arch.h
-	cp arch_atomic_ppc.h arch_atomic.h
+urcu.h: arch.h api.h arch_atomic.h
+
+urcu-qsbr.h: arch.h api.h arch_atomic.h
 
 test_urcu: urcu.o test_urcu.c urcu.h
 	$(CC) ${CFLAGS} $(LDFLAGS) -o $@ $(SRC_DEP)
@@ -93,7 +109,7 @@ urcutorture: urcutorture.c urcu.o urcu.h rcutorture.h
 urcutorture-yield: urcutorture.c urcu-yield.o urcu.h rcutorture.h
 	$(CC) -DDEBUG_YIELD ${CFLAGS} $(LDFLAGS) -o $@ $(SRC_DEP)
 
-.PHONY: clean install arch-api
+.PHONY: clean install checkarch
 
 install: liburcu.so
 	cp -f liburcu.so /usr/lib/
@@ -104,5 +120,5 @@ clean:
 	test_rwlock_timing test_rwlock test_perthreadlock_timing \
 	test_perthreadlock test_urcu_yield test_urcu_mb \
 	urcu-asm.S test_qsbr_timing test_qsbr urcutorture \
-	urcutorture-yield liburcu.so
+	urcutorture-yield liburcu.so api.h arch.h arch_atomic.h