X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=Makefile;h=d2010fe48669e549cc4c0865362c3f5103a349ca;hp=31c8de75570439fda17098e7b066c5a9e92e379d;hb=HEAD;hpb=1a6208bfbd2eeba3da5e570c33506515b115c42e

diff --git a/Makefile b/Makefile
index 31c8de75..d2010fe4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,44 +1,71 @@
-# Default FLAGS, (can be overriden by user such as "make CFLAGS=-O2")
-WARN_FLAGS=-Wall -Wextra -Wmissing-declarations -Wwrite-strings -Wswitch-enum
-CFLAGS=-g -O0
-
-# Additional flags that we will append to whatever the user set.
-# These aren't intended for the user to manipulate.
-extra_cflags = -I./lib `pkg-config --cflags glib-2.0 gmime-2.4 talloc`
-extra_cxxflags = `xapian-config --cxxflags`
-
-# Now smash together user's values with our extra values
-override CFLAGS := $(CFLAGS) $(WARN_FLAGS) $(extra_cflags)
-override CXXFLAGS := $(CXXFLAGS) $(WARN_FLAGS) $(extra_cflags) $(extra_cxxflags)
-
-override LDFLAGS := $(LDFLAGS) `pkg-config --libs glib-2.0 gmime-2.4 talloc` \
-			       `xapian-config --libs`
-
-# Include our local Makfile.local first so that its first target is default
-include Makefile.local
-include lib/Makefile.local
-
-%.o: %.cc
-	$(CXX) -c $(CFLAGS) $(CXXFLAGS) $< -o $@
-
-%.o: %.c
-	$(CC) -c $(CFLAGS) $< -o $@
-
-.deps/%.d: %.c
-	@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
-	$(CC) -M $(CPPFLAGS) $(CFLAGS) $< > $@.$$$$; \
-	sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
-	rm -f $@.$$$$
-
-.deps/%.d: %.cc
-	@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
-	$(CXX) -M $(CPPFLAGS) $(CXXFLAGS) $< > $@.$$$$; \
-	sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
-	rm -f $@.$$$$
-
-DEPS := $(SRCS:%.c=.deps/%.d)
-DEPS := $(DEPS:%.cc=.deps/%.d)
--include $(DEPS)
-
-clean:
-	rm -f $(CLEAN); rm -rf .deps
+# We want the all target to be the implicit target (if no target is
+# given explicitly on the command line) so mention it first.
+all:
+
+# Sub-directory Makefile.local fragments can append to these variables
+# to have directory-specific cflags as necessary.
+
+extra_cflags :=
+extra_cxxflags :=
+
+# Get settings from the output of configure by running it to generate
+# Makefile.config if it doesn't exist yet.
+
+# If Makefile.config doesn't exist, then srcdir won't be
+# set. Conditionally set it (assuming a plain srcdir build) so that
+# the rule to generate Makefile.config can actually work.
+srcdir ?= .
+
+include Makefile.config
+
+# We make all targets depend on the Makefiles themselves.
+global_deps = Makefile Makefile.config Makefile.local \
+	$(subdirs:%=%/Makefile) $(subdirs:%=%/Makefile.local)
+
+INCLUDE_MORE := yes
+ifneq ($(filter clean distclean dataclean, $(word 1, $(MAKECMDGOALS))),)
+CLEAN_GOAL := $(word 1, $(MAKECMDGOALS))
+
+# If there are more goals following CLEAN_GOAL, run $(MAKE)s in parts.
+ifneq ($(word 2, $(MAKECMDGOALS)),)
+INCLUDE_MORE := no
+FOLLOWING_GOALS := $(wordlist 2, 99, $(MAKECMDGOALS))
+
+.PHONY: $(FOLLOWING_GOALS) make_in_parts
+$(FOLLOWING_GOALS):
+	@true
+$(CLEAN_GOAL): make_in_parts
+make_in_parts:
+	$(MAKE) $(CLEAN_GOAL)
+	$(MAKE) $(FOLLOWING_GOALS) configure_options="$(configure_options)"
+endif
+
+else
+CLEAN_GOAL :=
+endif
+
+# Potentially speedup make clean, distclean and dataclean ; avoid
+# re-creating Makefile.config if it exists but configure is newer.
+ifneq ($(CLEAN_GOAL),)
+Makefile.config: | $(srcdir)/configure
+else
+Makefile.config: $(srcdir)/configure
+endif
+ifeq ($(configure_options),)
+	@echo ""
+	@echo "Note: Calling ./configure with no command-line arguments. This is often fine,"
+	@echo "      but if you want to specify any arguments (such as an alternate prefix"
+	@echo "      into which to install), call ./configure explicitly and then make again."
+	@echo "      See \"./configure --help\" for more details."
+	@echo ""
+endif
+	$(srcdir)/configure $(configure_options)
+
+ifeq ($(INCLUDE_MORE),yes)
+# runtime variable definitions available in all subdirs
+include $(srcdir)/Makefile.global
+# Finally, include all of the Makefile.local fragments where all the
+# real work is done.
+
+include $(subdirs:%=%/Makefile.local) Makefile.local
+endif