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Guillem Jover 7dbe24e4e5 MT#61993 build: Rework to use a config.mk generated during the build ... These are potentially computed from inside each subdir, and in addition due to what appears to be a regression in GNU make 4.4, where it is reevaluating variables that contain $(shell) functions, many times (in the order of thousands, this was slowing down the build, were on the Debian amd64 build daemons it went from 5m with GNU make 4.3 to 2h40m with GNU make 4.4. Although the bulk of the slow down has been fixed with previous commits, the remaining optimizations are only to avoid this potentially happening again in the future, and to reduce useless duplicate work. Instead of trying to cache the values from within make itself, where programming this there is extremely painful, and does not seem to be able to greatly reduce the number of calls, because the build system is going to be called multiple times for different targets. Simply externalize the generation into several shell scripts, that we call to generate a make fragment that then we include from the various Makefiles. For a Debian build with GNU make 4.3, this reduces the amount of total pkg-config calls from around ~1600 to 128, for dpkg-buildflags from ~1100 down to 6, and for dpkg-parsechangelog from ~56 to 17, but the slow down is not as significant there anyway. For a Debian build with GNU make 4.4, this reduces the amount of total pkg-config calls from around ~2600 to 128, for dpkg-buildflags from ~2800 down to 6, and for dpkg-parsechangelog from ~350 to 21. For a Debian build with GNU make 4.4, this reduces the build time on this system from 2m10s to ~ 1m30s. Change-Id: I427d0ea5106dc6ed1ff9e664ccdba2fa0725b7d0		3 months ago
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.gitignore	MT#55283 support kernel-based media player	12 months ago
build_test_wrapper	MT#55283 Replace bash shebangs with sh	2 years ago
const_str_hash	MT#55283 use size_t as gperf length argument	3 months ago
gen-bcg729-flags	MT#61993 build: Rework to use a config.mk generated during the build	3 months ago
gen-codec-chain-flags	MT#61993 build: Rework to use a config.mk generated during the build	3 months ago
gen-common-flags	MT#61993 build: Rework to use a config.mk generated during the build	3 months ago
kernel-intercept-dump.pl	MT#61459 Do not use Perl indirect object syntax	6 months ago
kernel-intercept-pcap-replay.pl	TT#68100 set iLBC encoder and decoder options	6 years ago
kplay-test.c	MT#55283 support kernel-based media player	12 months ago
kplay-test2.c	MT#55283 support kernel-based media player	12 months ago
ng-load-tester.py	MT#55283 support bencode format to Redis	8 months ago
patch-kernel	MT#55283 Replace bash shebangs with sh	2 years ago
rtpengine-ctl	MT#55283 replace internal help with generated one	3 months ago
rtpengine-ctl.1	TT#124273 add missing manpages	3 years ago
rtpengine-get-table	TT#137760 Fix table handling	4 years ago
rtpengine-ng-client	MT#61822 add new "CLI" NG command	3 months ago
rtpengine-ng-client.1	TT#124273 add missing manpages	3 years ago
srtcp-debug-helper	add SRTCP debug helper script	6 years ago
srtp-debug-helper	fix SRTP ROC syncing between kernel and userspace	7 years ago