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Makefile: Split warnings into two sets (WARN_CFLAGS and WARN_CXXFLAGS) Some C++ compilers complain about -Wmissing-declarations not being valid, so avoid passing it except when compiling a C file.
2009-12-02 01:42:50 +01:00
WARN_CXXFLAGS=-Wall -Wextra -Wwrite-strings -Wswitch-enum
WARN_CFLAGS=$(WARN_CXXFLAGS) -Wmissing-declarations
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
# Additional programs that are used during the compilation process.
EMACS ?= emacs
Makefile: Fix to work even with GZIP environment variable set. The rule here was written to assume that if the GZIP environment variable was set that it would be the gzip binary to execute, (similar to the CC and CXX variables). But GZIP is actually used to pass arguments to gzip, so we have to use a different name.
2009-11-22 04:45:16 +01:00
# Lowercase to avoid clash with GZIP environment variable for passing
# arguments to gzip.
gzip = gzip
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
Makefile: Add new "install-bash" target for bash completion support It was problematic to have this in "make install" since it would unconditionally try to install to /etc, (even if a non-privileged user was attempting an install to a prefix in the user's home directory, for example).
2009-12-01 19:14:00 +01:00
bash_completion_dir = /etc/bash_completion.d
Install zsh completion file According to the Debian zsh maintainer Clint Adams, this is the first time that a package installs its own completer into zsh. Part of the reason this is not usually done is because zsh does not provide a stable API. We agreed to try it, given that notmuch is expected to change quite a bit initially. If there are problems or the completer goes stable, we'll move it into the upstream zsh repository. Signed-off-by: martin f. krafft <madduck@debian.org>
2010-01-08 23:49:34 +01:00
zsh_completion_dir = /usr/share/zsh/functions/Completion/Unix
Makefile: Add new "install-bash" target for bash completion support It was problematic to have this in "make install" since it would unconditionally try to install to /etc, (even if a non-privileged user was attempting an install to a prefix in the user's home directory, for example).
2009-12-01 19:14:00 +01:00
Makefile: Rename all_deps to global_deps The "all" inside this variable name was easy to confuse with the separate "all" target. This variable specifies dependencies that apply to every target, so use "global" instead.
2010-03-10 02:01:55 +01:00
global_deps = Makefile Makefile.local Makefile.config \
Makefile: Make object targets depend on Makefiles All objects need to be recompiled when any of the Makefiles changes, so we make them all depend on all the Makefiles. Signed-off-by: Jan Janak <jan@ryngle.com>
2009-11-19 01:37:25 +01:00
lib/Makefile lib/Makefile.local
configure: Resolve all pkg-config flags at configure time. Previously, we were resolving these within the Makefile. This had the problem that if pkg-config was not present, the Makefile would still invoke it resulting in ugly errors before the configure script was even run, (which would finally present a kind error message about pkg-config not being present).
2009-12-02 02:56:39 +01:00
extra_cflags :=
extra_cxxflags :=
Makefile: Simplify setting of CFLAGS, etc. We were previously using separate CFLAGS and NOTMUCH_CFLAGS variables in an attempt to allow the user to specify CFLAGS on the command-line. However, that's just a lot of extra noise in the Makefile when we can instead let the user specify what is desired for CFLAGS and then use an override to append the things we require. So our Makefile is much neater now.
2009-11-10 17:27:48 +01:00
# Now smash together user's values with our extra values
Fix quiet compilation to print the user's CFLAGS, CXXFLAGS, LDFLAGS. The only reason I ever call "make V=1" myself, (other than when debugging the compiler command-line for some reason), is to ensure whether my CFLAGS, (like "-g -O0" or "-O2"), are actually making it to the command-line. But these are hard to find in the V=1 output, and really, we should just print these even in the quiet case. So do that.
2009-12-05 00:08:37 +01:00
FINAL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(CONFIGURE_CFLAGS) $(extra_cflags)
FINAL_CXXFLAGS = $(CXXFLAGS) $(WARN_CXXFLAGS) $(CONFIGURE_CXXFLAGS) $(extra_cflags) $(extra_cxxflags)
FINAL_LDFLAGS = $(LDFLAGS) $(CONFIGURE_LDFLAGS)
notmuch: Start actually adding messages to the index. This is the beginning of the notmuch library as well, with its interface in notmuch.h. So far we've got create, open, close, and add_message (all with a notmuch_database prefix). The current add_message function has already been whittled down from what we have in notmuch-index-message to add only references, message-id, and thread-id to the index, (that is---just enough to do thread-linkage but nothing for full-text searching). The concept here is to do something quickly so that the user can get some data into notmuch and start using it. (The most interesting stuff is then thread-linkage and labels like inbox and unread.) We can defer the full-text indexing of the body of the messages for later, (such as in the background while the user is reading mail). The initial thread-stitching step is still slower than I would like. We may have to stop using libgmime for this step as its overhead is not worth it for the simple case of just parsing the message-id, references, and in-reply-to headers.
2009-10-19 05:56:30 +02:00
Makefile: Simplify the conditional message of the all target. We wamt a simple "make" to call the 'all' target and then print a message when done, but we don't want "make install" which depends on that same 'all' target to print the message. We previously did this with a separate 'all-without-message' target, which was inelegant because it caused all users of the target to carefully depend on 'all-without-message' rather than 'all'. Instead, we now use a single 'all' target but with a Makefile conditional that examines the MAKECMDGOALS variable to determine whether to print the message.
2010-03-10 19:44:44 +01:00
all: notmuch notmuch.1.gz
ifeq ($(MAKECMDGOALS),)
Makefile: Add a meesage after "make" telling the user to run "make install" As one command completes, it's kind of the tool to indicate which command the user should execute next.
2010-03-10 02:03:11 +01:00
@echo ""
@echo "Compilation of notmuch is now complete. You can install notmuch with:"
@echo ""
@echo " make install"
@echo ""
@echo "Note that depending on the prefix to which you are installing"
@echo "you may need root permission (such as \"sudo make install\")."
@echo "See \"./configure --help\" for help on setting an alternate prefix."
Makefile: Simplify the conditional message of the all target. We wamt a simple "make" to call the 'all' target and then print a message when done, but we don't want "make install" which depends on that same 'all' target to print the message. We previously did this with a separate 'all-without-message' target, which was inelegant because it caused all users of the target to carefully depend on 'all-without-message' rather than 'all'. Instead, we now use a single 'all' target but with a Makefile conditional that examines the MAKECMDGOALS variable to determine whether to print the message.
2010-03-10 19:44:44 +01:00
endif
Makefile: Incorporate getline implementation into the build. It's unconditional for a very short time. We expect to soon be building it only if necessary.
2009-12-02 00:23:25 +01:00
configure: Assimilate new getlinetest into recent configure conventions. We're now using printf to print what we're checking before we check. We're also making variables such as HAVE_GETLINE available to both make and to the C pre-processor. With this, the local getline implementation is now only compiled if not available on the system.
2009-12-02 01:00:31 +01:00
# Before including any other Makefile fragments, get settings from the
# output of configure
Remove Makefile.config from the repository. Instead of shipping a default version, we now add a rule to automatically run configure if necessary to create Makefile.config.
2009-12-01 17:34:09 +01:00
Makefile.config: configure
Makefile: Inform user that they might want to call ./configure explicitly. If the Makefile does this for the user, then no arguments are passed. So it's only polite to let the user know that it's possible to get pass those arguments.
2009-12-05 00:32:05 +01:00
@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."
Makefile: Mention "./configure --help" now that it exists. Since we're directing the user to ./confgiure for more options, actually tell the user how to discover what those options are.
2009-12-05 01:09:40 +01:00
@echo " See \"./configure --help\" for more details."
Makefile: Inform user that they might want to call ./configure explicitly. If the Makefile does this for the user, then no arguments are passed. So it's only polite to let the user know that it's possible to get pass those arguments.
2009-12-05 00:32:05 +01:00
@echo ""
Remove Makefile.config from the repository. Instead of shipping a default version, we now add a rule to automatically run configure if necessary to create Makefile.config.
2009-12-01 17:34:09 +01:00
./configure
Makefile: Change default install prefix from /usr to /usr/local We'll be a much more polite package this way. And the user can change the prefix by editing Makefile.config. Still to be done is to make configure write out Makefile.config and to add a --prefix option to configure.
2009-11-17 22:05:16 +01:00
include Makefile.config
configure: Assimilate new getlinetest into recent configure conventions. We're now using printf to print what we're checking before we check. We're also making variables such as HAVE_GETLINE available to both make and to the C pre-processor. With this, the local getline implementation is now only compiled if not available on the system.
2009-12-02 01:00:31 +01:00
include lib/Makefile.local
include compat/Makefile.local
emacs: Move emacs UI (currently just one file) to subdirectory. Add emacs/Makefile.local and emacs/Makefile. Move emacs targets into emacs/Makefile.local, but leave the byte compilation rule in the top level Makefile.
2010-02-10 04:45:28 +01:00
include emacs/Makefile.local
configure: Assimilate new getlinetest into recent configure conventions. We're now using printf to print what we're checking before we check. We're also making variables such as HAVE_GETLINE available to both make and to the C pre-processor. With this, the local getline implementation is now only compiled if not available on the system.
2009-12-02 01:00:31 +01:00
include Makefile.local
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
# The user has not set any verbosity, default to quiet mode and inform the
# user how to enable verbose compiles.
ifeq ($(V),)
quiet_DOC := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
Fix quiet compilation to print the user's CFLAGS, CXXFLAGS, LDFLAGS. The only reason I ever call "make V=1" myself, (other than when debugging the compiler command-line for some reason), is to ensure whether my CFLAGS, (like "-g -O0" or "-O2"), are actually making it to the command-line. But these are hard to find in the V=1 output, and really, we should just print these even in the quiet case. So do that.
2009-12-05 00:08:37 +01:00
quiet = @printf $(quiet_DOC)$(eval quiet_DOC:=)" $1 $2 $@\n"; $($1)
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
endif
# The user has explicitly enabled quiet compilation.
ifeq ($(V),0)
Makefile: Switch from echo to printf for better portability. Some systems have an echo implementation which doesn't know how to interpret a sequence of "\n". The word is that printf should be much more portable, so let's try that instead.
2009-12-02 01:38:47 +01:00
quiet = @printf " $1 $@\n"; $($1)
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
endif
# Otherwise, print the full command line.
quiet ?= $($1)
Makefile: Rename all_deps to global_deps The "all" inside this variable name was easy to confuse with the separate "all" target. This variable specifies dependencies that apply to every target, so use "global" instead.
2010-03-10 02:01:55 +01:00
%.o: %.cc $(global_deps)
Fix quiet compilation to print the user's CFLAGS, CXXFLAGS, LDFLAGS. The only reason I ever call "make V=1" myself, (other than when debugging the compiler command-line for some reason), is to ensure whether my CFLAGS, (like "-g -O0" or "-O2"), are actually making it to the command-line. But these are hard to find in the V=1 output, and really, we should just print these even in the quiet case. So do that.
2009-12-05 00:08:37 +01:00
$(call quiet,CXX,$(CXXFLAGS)) -c $(FINAL_CXXFLAGS) $< -o $@
notmuch: Start actually adding messages to the index. This is the beginning of the notmuch library as well, with its interface in notmuch.h. So far we've got create, open, close, and add_message (all with a notmuch_database prefix). The current add_message function has already been whittled down from what we have in notmuch-index-message to add only references, message-id, and thread-id to the index, (that is---just enough to do thread-linkage but nothing for full-text searching). The concept here is to do something quickly so that the user can get some data into notmuch and start using it. (The most interesting stuff is then thread-linkage and labels like inbox and unread.) We can defer the full-text indexing of the body of the messages for later, (such as in the background while the user is reading mail). The initial thread-stitching step is still slower than I would like. We may have to stop using libgmime for this step as its overhead is not worth it for the simple case of just parsing the message-id, references, and in-reply-to headers.
2009-10-19 05:56:30 +02:00
Makefile: Rename all_deps to global_deps The "all" inside this variable name was easy to confuse with the separate "all" target. This variable specifies dependencies that apply to every target, so use "global" instead.
2010-03-10 02:01:55 +01:00
%.o: %.c $(global_deps)
Fix quiet compilation to print the user's CFLAGS, CXXFLAGS, LDFLAGS. The only reason I ever call "make V=1" myself, (other than when debugging the compiler command-line for some reason), is to ensure whether my CFLAGS, (like "-g -O0" or "-O2"), are actually making it to the command-line. But these are hard to find in the V=1 output, and really, we should just print these even in the quiet case. So do that.
2009-12-05 00:08:37 +01:00
$(call quiet,CC,$(CFLAGS)) -c $(FINAL_CFLAGS) $< -o $@
notmuch: Start actually adding messages to the index. This is the beginning of the notmuch library as well, with its interface in notmuch.h. So far we've got create, open, close, and add_message (all with a notmuch_database prefix). The current add_message function has already been whittled down from what we have in notmuch-index-message to add only references, message-id, and thread-id to the index, (that is---just enough to do thread-linkage but nothing for full-text searching). The concept here is to do something quickly so that the user can get some data into notmuch and start using it. (The most interesting stuff is then thread-linkage and labels like inbox and unread.) We can defer the full-text indexing of the body of the messages for later, (such as in the background while the user is reading mail). The initial thread-stitching step is still slower than I would like. We may have to stop using libgmime for this step as its overhead is not worth it for the simple case of just parsing the message-id, references, and in-reply-to headers.
2009-10-19 05:56:30 +02:00
Improve installation of emacs mode. 1) Add a separate targets to build and install emacs mode. 2) Don't hardcode the installation directory, instead use emacs' pkg-config module. 3) Install a byte compiled version of the emacs mode. 4) Install the emacs mode in emacs' site-lisp directory. Put "(require 'notmuch)" in your .emacs to load it automatically. 5) Ignore byte-compiled emacs files. Signed-off-by: Jeffrey C. Ollie <jeff@ocjtech.us> Reviewed-by: Ingmar Vanhassel <ingmar@exherbo.org> Reviewed-by: Keith Packard <keithp@keithp.com>
2009-11-19 22:20:01 +01:00
%.elc: %.el
Makefile: Magic silent rules. Use the facilities of GNU make to create a magic function that will on the first invocation print a description of how to enable verbose compile lines and then print the quiet rule. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Carl Worth <cworth@cworth.org> Cc: Mikhail Gusarov <dottedmag@dottedmag.net> [ickle: Rebased, and duplicate command string eliminated.] [ickle: Fixed verbose bug pointed out by Mikhail]
2009-11-21 21:32:20 +01:00
$(call quiet,EMACS) -batch -f batch-byte-compile $<
Improve installation of emacs mode. 1) Add a separate targets to build and install emacs mode. 2) Don't hardcode the installation directory, instead use emacs' pkg-config module. 3) Install a byte compiled version of the emacs mode. 4) Install the emacs mode in emacs' site-lisp directory. Put "(require 'notmuch)" in your .emacs to load it automatically. 5) Ignore byte-compiled emacs files. Signed-off-by: Jeffrey C. Ollie <jeff@ocjtech.us> Reviewed-by: Ingmar Vanhassel <ingmar@exherbo.org> Reviewed-by: Keith Packard <keithp@keithp.com>
2009-11-19 22:20:01 +01:00
Makefile: Rename all_deps to global_deps The "all" inside this variable name was easy to confuse with the separate "all" target. This variable specifies dependencies that apply to every target, so use "global" instead.
2010-03-10 02:01:55 +01:00
.deps/%.d: %.c $(global_deps)
Makefile: Fix dependency generation to make .d files themselves dependent. I saw this recommendation in the implementation notes for "Recursive Make Considered Harmful" and then the further recommendation for implementing the idea in the GNU make manual. The idea is that if any of the files change then we need to regenerate the dependency file before we regenerate any targets. The approach from the GNU make manual is simpler in that it just uses a sed script to fix up the output of an extra invocation of the compiler, (as opposed to the approach in the implementation notes from the paper's author which use a wrapper script for the compiler that's always invoked rather than the compiler itself).
2009-11-10 17:04:54 +01:00
@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
Makefile: Silence compiler errors during dependency generation. We have a bootstrapping issue with our dependency generation. When the Makefile.config doesn't exist yet, the complete compilation flags are not yet available for passing to the compiler to generate the dependencies. But we don't have explicit rules to create these dependency files, (just the implicit rule that is created by the -include), so we can't control when make will attempt to create them. We do have a dependency of the dependency files on Makefile.config, so make should eventually call the compiler with the correct flags and everything should be good. So in the meantime, silence any complaints.
2009-12-05 00:37:39 +01:00
$(CC) -M $(CPPFLAGS) $(FINAL_CFLAGS) $< > $@.$$$$ 2>/dev/null ; \
Makefile: Fix dependency generation for files in sub-directories. Otherwise, things in the lib sub-directory weren't getting recompiled even when lib/notmuch.h was changed. The original rule we were using came from the GNU Makefile manual, but only handled files in the current directory, not file in sub-directories as we use here with our non-recursive Makefile. So the .deps files being created were being put in the right place, (such as .deps/lib/database.d), but the compiler was generating a dependency for "database.o" rather than "lib/database.o" like we want. We were already trying to do a sed job on that name to add a dependency for the .d file as well. But the sed job was failing since the expected pattern wasn't there, (the directory name was missing). So the fix is simply to use basename to construct the search pattern, and then use the name with the directory in the replacement (rather than the back-reference).
2009-11-13 07:24:55 +01:00
sed 's,'$$(basename $*)'\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
Makefile: Fix dependency generation to make .d files themselves dependent. I saw this recommendation in the implementation notes for "Recursive Make Considered Harmful" and then the further recommendation for implementing the idea in the GNU make manual. The idea is that if any of the files change then we need to regenerate the dependency file before we regenerate any targets. The approach from the GNU make manual is simpler in that it just uses a sed script to fix up the output of an extra invocation of the compiler, (as opposed to the approach in the implementation notes from the paper's author which use a wrapper script for the compiler that's always invoked rather than the compiler itself).
2009-11-10 17:04:54 +01:00
rm -f $@.$$$$
Makefile: Rename all_deps to global_deps The "all" inside this variable name was easy to confuse with the separate "all" target. This variable specifies dependencies that apply to every target, so use "global" instead.
2010-03-10 02:01:55 +01:00
.deps/%.d: %.cc $(global_deps)
Makefile: Fix dependency generation to make .d files themselves dependent. I saw this recommendation in the implementation notes for "Recursive Make Considered Harmful" and then the further recommendation for implementing the idea in the GNU make manual. The idea is that if any of the files change then we need to regenerate the dependency file before we regenerate any targets. The approach from the GNU make manual is simpler in that it just uses a sed script to fix up the output of an extra invocation of the compiler, (as opposed to the approach in the implementation notes from the paper's author which use a wrapper script for the compiler that's always invoked rather than the compiler itself).
2009-11-10 17:04:54 +01:00
@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
Makefile: Silence compiler errors during dependency generation. We have a bootstrapping issue with our dependency generation. When the Makefile.config doesn't exist yet, the complete compilation flags are not yet available for passing to the compiler to generate the dependencies. But we don't have explicit rules to create these dependency files, (just the implicit rule that is created by the -include), so we can't control when make will attempt to create them. We do have a dependency of the dependency files on Makefile.config, so make should eventually call the compiler with the correct flags and everything should be good. So in the meantime, silence any complaints.
2009-12-05 00:37:39 +01:00
$(CXX) -M $(CPPFLAGS) $(FINAL_CXXFLAGS) $< > $@.$$$$ 2>/dev/null ; \
Makefile: Fix dependency generation for files in sub-directories. Otherwise, things in the lib sub-directory weren't getting recompiled even when lib/notmuch.h was changed. The original rule we were using came from the GNU Makefile manual, but only handled files in the current directory, not file in sub-directories as we use here with our non-recursive Makefile. So the .deps files being created were being put in the right place, (such as .deps/lib/database.d), but the compiler was generating a dependency for "database.o" rather than "lib/database.o" like we want. We were already trying to do a sed job on that name to add a dependency for the .d file as well. But the sed job was failing since the expected pattern wasn't there, (the directory name was missing). So the fix is simply to use basename to construct the search pattern, and then use the name with the directory in the replacement (rather than the back-reference).
2009-11-13 07:24:55 +01:00
sed 's,'$$(basename $*)'\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
Makefile: Fix dependency generation to make .d files themselves dependent. I saw this recommendation in the implementation notes for "Recursive Make Considered Harmful" and then the further recommendation for implementing the idea in the GNU make manual. The idea is that if any of the files change then we need to regenerate the dependency file before we regenerate any targets. The approach from the GNU make manual is simpler in that it just uses a sed script to fix up the output of an extra invocation of the compiler, (as opposed to the approach in the implementation notes from the paper's author which use a wrapper script for the compiler that's always invoked rather than the compiler itself).
2009-11-10 17:04:54 +01:00
rm -f $@.$$$$
DEPS := $(SRCS:%.c=.deps/%.d)
DEPS := $(DEPS:%.cc=.deps/%.d)
-include $(DEPS)
Makefile: Add a simple target for "make install". The more I do here, the less I see the need for autotools.
2009-10-30 20:00:55 +01:00
makefile: Declare clean target as phony. This ensures that make clean always proceeds, even if the user accidentally creates a file named 'clean'. Also, it ignores errors in rm and other commands. Signed-off-by: Jan Janak <jan@ryngle.com>
2009-11-22 13:55:35 +01:00
.PHONY : clean
Initial commit of a test program to form the basis of notmuch. Basically just playing with some simple code using libgmime to parse an email message.
2009-10-13 00:50:02 +02:00
clean:
Makefile: Fix dependency generation to make .d files themselves dependent. I saw this recommendation in the implementation notes for "Recursive Make Considered Harmful" and then the further recommendation for implementing the idea in the GNU make manual. The idea is that if any of the files change then we need to regenerate the dependency file before we regenerate any targets. The approach from the GNU make manual is simpler in that it just uses a sed script to fix up the output of an extra invocation of the compiler, (as opposed to the approach in the implementation notes from the paper's author which use a wrapper script for the compiler that's always invoked rather than the compiler itself).
2009-11-10 17:04:54 +01:00
rm -f $(CLEAN); rm -rf .deps
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