Factorise common variables

[cc0/argeo-build.git] / jni.mk

diff --git a/jni.mk b/jni.mk
index db0cecc81fe4f8027b0078fafaf6a0abece86bd6..2bbcf44ab732104599f0b34a961a0284795ab89c 100644 (file)
--- a/jni.mk
+++ b/jni.mk
@@ -1,11 +1,23 @@
 ARGEO_BUILD_BASE := $(dir $(lastword $(MAKEFILE_LIST)))
 include $(ARGEO_BUILD_BASE)common.mk
 
+# The following variables should be declared in the including Makefile:
+# NATIVE_PACKAGE       this native package name
+# A2_CATEGORY          the (single) a2 category the bundles will belong to
+
+# The following variables have default values which can be overriden
+# DEP_NATIVE           space-separated logical names of named depdencies
+# ADDITIONAL_INC       additional includes
+# ADDITIONAL_LIBS      additional native libraries
+DEP_NATIVE ?=
+ADDITIONAL_INC ?= $(foreach dep, $(DEP_NATIVE), /usr/include/$(dep))
+ADDITIONAL_LIBS ?= $(foreach dep, $(DEP_NATIVE), -l$(dep))
+
 A2_NATIVE_CATEGORY=$(A2_OUTPUT)/lib/linux/$(shell uname -m)/$(A2_CATEGORY)
 TARGET_EXEC := libJava_$(NATIVE_PACKAGE).so
 
-LDFLAGS = -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR) $(ADDITIONAL_LIBS)
-CFLAGS = -O3 -fPIC
+LDFLAGS ?= -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR) $(ADDITIONAL_LIBS)
+CFLAGS ?= -O3 -fPIC
 
 SRC_DIRS := . 
 
@@ -15,7 +27,7 @@ SRC_DIRS := .
 BUILD_DIR := $(SDK_BUILD_BASE)/jni/$(NATIVE_PACKAGE)
 
 # Include directories
-INC_DIRS := $(shell find $(SRC_DIRS) -type d) $(JAVA_HOME)/include $(JAVA_HOME)/include/linux $(ADDITIONAL_INCLUDES)
+INC_DIRS := $(shell find $(SRC_DIRS) -type d) $(JAVA_HOME)/include $(JAVA_HOME)/include/linux $(ADDITIONAL_INC)
 
 all: $(A2_NATIVE_CATEGORY)/$(TARGET_EXEC)