# MAKEFILE for linux GCC
#
# This makefile produces a shared object and requires libtool to be installed.
#
# Thanks to Zed Shaw for helping debug this on BSD/OSX.
# Tom St Denis
#
#  (GNU make only)

### USAGE:
#
# CFLAGS="-DUSE_LTM -DLTM_DESC -I/path/to/libtommath" make -f makefile.shared all EXTRALIBS=/path/to/libtommath/libtommath.a
# ./test
# make -f makefile.shared PREFIX=/opt/libtom install
#

PLATFORM := $(shell uname | sed -e 's/_.*//')

ifndef LT
  ifeq ($(PLATFORM), Darwin)
    LT:=glibtool
  else
    LT:=libtool
  endif
endif
LTCOMPILE = $(LT) --mode=compile --tag=CC $(CC)
INSTALL_CMD = $(LT) --mode=install install

#Output filenames for various targets.
ifndef LIBNAME
   LIBNAME=libtomcrypt.la
endif


include makefile_include.mk


#ciphers come in two flavours... enc+dec and enc
src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
	$(LTCOMPILE) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -DENCRYPT_ONLY -c src/ciphers/aes/aes.c -o src/ciphers/aes/aes_enc.o

.c.o:
	$(LTCOMPILE) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ -c $<

$(LIBNAME): $(OBJECTS)
	$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) `find ./src -type f -name "*.lo" | LC_ALL=C sort` $(EXTRALIBS) -o $@ -rpath $(LIBPATH) -version-info $(VERSION_LT)

install: .common_install
	sed -e 's,^prefix=.*,prefix=$(PREFIX),' -e 's,^Version:.*,Version: $(VERSION),' libtomcrypt.pc.in > libtomcrypt.pc
	install -d $(DESTDIR)/$(LIBPATH)/pkgconfig
	install -m 644 libtomcrypt.pc $(DESTDIR)/$(LIBPATH)/pkgconfig/

install_bins: .common_install_bins

test: $(LIBNAME) $(TOBJECTS)
	$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(TEST) $(TOBJECTS) $(LIBNAME) $(EXTRALIBS)

timing: $(TIMINGS) $(LIBNAME)
	$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(TIMING) $^ $(EXTRALIBS)

# build the demos from a template
define DEMO_template
$(1): demos/$(1).o $$(LIBNAME)
ifneq ($V,1)
	@echo "   * $${CC} $$@"
endif
	$$(LT) --mode=link --tag=CC $$(CC) $$(CFLAGS) $$(CPPFLAGS) $$(LDFLAGS) $$^ $$(EXTRALIBS) -o $(1)
endef

$(foreach demo, $(strip $(DEMOS)), $(eval $(call DEMO_template,$(demo))))

# ref:         $Format:%D$
# git commit:  $Format:%H$
# commit time: $Format:%ai$