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notmuch/lib/Makefile.local

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Implement a non-recursive make. The idea here is that every Makefile at each lower level will be an identical, tiny file that simply defers to a top-level make. Meanwhile, the Makefile.local file at each level is a Makefile snippet to be included at the top-level into a large, flat Makefile. As such, it needs to define its rules with the entire relative directory to each file, (typically in $(dir)). The local files can also append to variables such as SRCS and CLEAN for files to be analyzed for dependencies and to be cleaned.
2009-11-10 16:14:49 +01:00
dir=lib
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
libnotmuch_c_srcs = \
$(dir)/libsha1.c \
$(dir)/message-file.c \
$(dir)/sha1.c \
$(dir)/tags.c \
$(dir)/xutil.c
Implement a non-recursive make. The idea here is that every Makefile at each lower level will be an identical, tiny file that simply defers to a top-level make. Meanwhile, the Makefile.local file at each level is a Makefile snippet to be included at the top-level into a large, flat Makefile. As such, it needs to define its rules with the entire relative directory to each file, (typically in $(dir)). The local files can also append to variables such as SRCS and CLEAN for files to be analyzed for dependencies and to be cleaned.
2009-11-10 16:14:49 +01:00
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
libnotmuch_cxx_srcs = \
$(dir)/database.cc \
$(dir)/index.cc \
$(dir)/message.cc \
$(dir)/query.cc \
$(dir)/thread.cc
libnotmuch_modules = $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)
$(dir)/notmuch.a: $(libnotmuch_modules)
Implement a non-recursive make. The idea here is that every Makefile at each lower level will be an identical, tiny file that simply defers to a top-level make. Meanwhile, the Makefile.local file at each level is a Makefile snippet to be included at the top-level into a large, flat Makefile. As such, it needs to define its rules with the entire relative directory to each file, (typically in $(dir)). The local files can also append to variables such as SRCS and CLEAN for files to be analyzed for dependencies and to be cleaned.
2009-11-10 16:14:49 +01:00
$(AR) rcs $@ $^
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
SRCS := $(SRCS) $(libnotmuch_c_srcs) $(libnotmuch_cxx_srcs)
CLEAN := $(CLEAN) $(libnotmuch_modules) $(dir)/notmuch.a
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