-CC=gcc
-LD=ld
-CFLAGS=-O2 -Wall -Werror -pedantic --std=gnu99 -Wno-unused
-CPPFLAGS=-I..
-LIBS=-L.. -luci
-OS=$(shell uname)
-LINK=$(CC)
+include ../Makefile.inc
+LUA_VERSION=5.1
+PREFIX_SEARCH=/usr /usr/local /opt/local
+LUA_PLUGINDIR=$(firstword \
+ $(foreach ldir,$(subst ;, ,$(shell lua -e 'print(package.cpath)')), \
+ $(if $(findstring lib/lua/,$(ldir)),$(patsubst %/?.so,%,$(ldir))) \
+ ) \
+)
+
+# find lua prefix
+LUA_PREFIX=$(firstword \
+ $(foreach prefix,$(PREFIX_SEARCH),\
+ $(if $(wildcard $(prefix)/include/lua.h),$(prefix)) \
+ ) \
+)
+
+libdir=$(prefix)/libs
+luadir=$(if $(LUA_PLUGINDIR),$(LUA_PLUGINDIR),$(libdir)/lua/$(LUA_VERSION))
+luainc=$(shell pkg-config --silence-errors --cflags lua$(LUA_VERSION))
+
+CPPFLAGS=-I.. $(if $(luainc),$(luainc), -I$(LUA_PREFIX)/include)
+LIBS=-L.. -luci $(shell pkg-config --silence-errors --libs lua$(LUA_VERSION))
+
+PLUGIN_LD=$(CC)
ifeq ($(OS),Darwin)
- SHLIB_FLAGS=-bundle -undefined dynamic_lookup
+ PLUGIN_LDFLAGS=-bundle -undefined dynamic_lookup
else
- SHLIB_FLAGS=-shared -Wl,-soname,$(SHLIB_FILE)
+ PLUGIN_LDFLAGS=-shared -Wl,-soname,$(SHLIB_FILE)
endif
all: uci.so
uci.so: uci.o
- $(LINK) $(SHLIB_FLAGS) -o $@ $^ $(LIBS)
+ $(PLUGIN_LD) $(PLUGIN_LDFLAGS) -o $@ $^ $(LIBS)
%.o: %.c
- $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
+ $(CC) $(CPPFLAGS) $(CFLAGS) $(FPIC) -c -o $@ $<
install:
- mkdir -p $(DESTDIR)/usr/lib/lua
- install -m0644 uci.so $(DESTDIR)/usr/lib/lua/
+ mkdir -p $(DESTDIR)$(luadir)
+ $(INSTALL) -m0644 uci.so $(DESTDIR)$(luadir)/
clean:
rm -f *.so *.o uci.so