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2012-06-26index-pack: Disable threading on cygwinLibravatar Junio C Hamano1-0/+8
The Cygwin implementation of pread() is not thread-safe since, just like the emulation provided by compat/pread.c, it uses a sequence of seek-read-seek calls. In order to avoid failues due to thread-safety issues, commit b038a61 disables threading when NO_PREAD is defined. (ie when using the emulation code in compat/pread.c). We introduce a new build variable, NO_THREAD_SAFE_PREAD, which allows use to disable the threaded index-pack code on cygwin, in addition to the above NO_PREAD case. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-01Sync with maintLibravatar Junio C Hamano1-1/+1
2012-06-01Merge branch 'ef/http-o-depends-on-gvf' into maintLibravatar Junio C Hamano1-1/+1
A minor compilation fix. By Erik Faye-Lund * ef/http-o-depends-on-gvf: Makefile: add missing GIT-VERSION-FILE dependency
2012-05-31Makefile: add missing GIT-VERSION-FILE dependencyLibravatar Erik Faye-Lund1-1/+1
In 20fc9bc (Set HTTP user agent to git/GIT_VERSION, 2006-04-04), http.o started recording GIT_VERSION, but http.o wasn't added to the list of files that depends on GIT-VERSION-FILE. Fix this, so mofications to GIT-VERSION-FILE will result in an updated user-agent string. Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-14Merge branch 'nd/threaded-index-pack'Libravatar Junio C Hamano1-1/+1
Enables threading in index-pack to resolve base data in parallel. By Nguyễn Thái Ngọc Duy (3) and Ramsay Jones (1) * nd/threaded-index-pack: index-pack: disable threading if NO_PREAD is defined index-pack: support multithreaded delta resolving index-pack: restructure pack processing into three main functions compat/win32/pthread.h: Add an pthread_key_delete() implementation
2012-05-10Merge branch 'jc/install-no-hardlinks'Libravatar Junio C Hamano1-1/+11
Your build platform may support hardlinks but you may prefer not to use them, e.g. when installing to DESTDIR to make a tarball and untarring on a filesystem that has poor support for hardlinks. The Makefile in git-gui project may need to learn to honor the same setting; it unconditionally creates git-citool by hardlinking git-gui. * jc/install-no-hardlinks: Makefile: NO_INSTALL_HARDLINKS
2012-05-07index-pack: support multithreaded delta resolvingLibravatar Nguyễn Thái Ngọc Duy1-1/+1
This puts delta resolving on each base on a separate thread, one base cache per thread. Per-thread data is grouped in struct thread_local. When running with nr_threads == 1, no pthreads calls are made. The system essentially runs in non-thread mode. An experiment on a Xeon 24 core machine with git.git shows that performance does not increase proportional to the number of cores. So by default, we use maximum 3 cores. Some numbers with --threads from 1 to 16: 1..4 real 0m8.003s 0m5.307s 0m4.321s 0m3.830s user 0m7.720s 0m8.009s 0m8.133s 0m8.305s sys 0m0.224s 0m0.372s 0m0.360s 0m0.360s 5..8 real 0m3.727s 0m3.604s 0m3.332s 0m3.369s user 0m9.361s 0m9.817s 0m9.525s 0m9.769s sys 0m0.584s 0m0.624s 0m0.540s 0m0.560s 9..12 real 0m3.036s 0m3.139s 0m3.177s 0m2.961s user 0m8.977s 0m10.205s 0m9.737s 0m10.073s sys 0m0.596s 0m0.680s 0m0.684s 0m0.680s 13..16 real 0m2.985s 0m2.894s 0m2.975s 0m2.971s user 0m9.825s 0m10.573s 0m10.833s 0m11.361s sys 0m0.788s 0m0.732s 0m0.904s 0m1.016s On an Intel dual core and linux-2.6.git 1..4 real 2m37.789s 2m7.963s 2m0.920s 1m58.213s user 2m28.415s 2m52.325s 2m50.176s 2m41.187s sys 0m7.808s 0m11.181s 0m11.224s 0m10.731s Thanks Ramsay Jones for troubleshooting and support on MinGW platform. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04Makefile: NO_INSTALL_HARDLINKSLibravatar Junio C Hamano1-1/+11
Your filesystem may support hardlinks, but you may choose not to use them when installing git-foo builtins and favor symblic links or copies for whatever reason. The installation procedure of git-gui/ directory is not touched with this patch and git-citool still ends up being a hardlink to git-gui, but it needs to be addressed separately. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04Makefile: keep many variable list sortedLibravatar Nguyễn Thái Ngọc Duy1-13/+13
We tend to keep long lists sorted (extensions are not taken into account), which helps spot a name easily by eye. Rearrange a few items so these lists remain sorted. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-03Merge branch 'nd/columns'Libravatar Junio C Hamano1-0/+3
A couple of commands learn --column option to produce columnar output. By Nguyễn Thái Ngọc Duy (9) and Zbigniew Jędrzejewski-Szmek (1) * nd/columns: tag: add --column column: support piping stdout to external git-column process status: add --column branch: add --column help: reuse print_columns() for help -a column: add dense layout support t9002: work around shells that are unable to set COLUMNS to 1 column: add columnar layout Stop starting pager recursively Add column layout skeleton and git-column
2012-05-02Merge branch 'tr/xdiff-fast-hash'Libravatar Junio C Hamano1-0/+12
Use word-at-a-time comparison to find end of line or NUL (end of buffer), borrowed from the linux-kernel discussion. By Thomas Rast * tr/xdiff-fast-hash: xdiff: choose XDL_FAST_HASH code on sizeof(long) instead of __WORDSIZE xdiff: load full words in the inner loop of xdl_hash_record
2012-05-02Merge branch 'nd/i18n'Libravatar Junio C Hamano1-17/+32
More message strings marked for i18n. By Nguyễn Thái Ngọc Duy (10) and Jonathan Nieder (1) * nd/i18n: help: replace underlining "help -a" headers using hyphens with a blank line i18n: bundle: mark strings for translation i18n: index-pack: mark strings for translation i18n: apply: update say_patch_name to give translators complete sentence i18n: apply: mark strings for translation i18n: remote: mark strings for translation i18n: make warn_dangling_symref() automatically append \n i18n: help: mark strings for translation i18n: mark relative dates for translation strbuf: convenience format functions with \n automatically appended Makefile: feed all header files to xgettext
2012-05-02Merge branch 'jc/index-v4'Libravatar Junio C Hamano1-0/+2
Trivially shrinks the on-disk size of the index file to save both I/O and checksum overhead. The topic should give a solid base to build on further updates, with the code refactoring in its earlier parts, and the backward compatibility mechanism in its later parts. * jc/index-v4: index-v4: document the entry format unpack-trees: preserve the index file version of original update-index: upgrade/downgrade on-disk index version read-cache.c: write prefix-compressed names in the index read-cache.c: read prefix-compressed names in index on-disk version v4 read-cache.c: move code to copy incore to ondisk cache to a helper function read-cache.c: move code to copy ondisk to incore cache to a helper function read-cache.c: report the header version we do not understand read-cache.c: make create_from_disk() report number of bytes it consumed read-cache.c: allow unaligned mapping of the index file cache.h: hide on-disk index details varint: make it available outside the context of pack
2012-04-27tag: add --columnLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-27status: add --columnLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-27branch: add --columnLibravatar Nguyễn Thái Ngọc Duy1-1/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-27Add column layout skeleton and git-columnLibravatar Nguyễn Thái Ngọc Duy1-0/+3
A column option string consists of many token separated by either a space or a comma. A token belongs to one of three groups: - enabling: always, never and auto - layout mode: currently plain (which does not layout at all) - other future tuning flags git-column can be used to pipe output to from a command that wants column layout, but not to mess with its own output code. Simpler output code can be changed to use column layout code directly. Thanks-to: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-24i18n: help: mark strings for translationLibravatar Nguyễn Thái Ngọc Duy1-0/+1
This patch also marks most common commands' synopsis for translation so that "git help" gives a friendly listing. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-24Merge branch 'hv/submodule-recurse-push'Libravatar Junio C Hamano1-0/+1
"git push --recurse-submodules" learns to optionally look into the histories of submodules bound to the superproject and push them out. By Heiko Voigt * hv/submodule-recurse-push: push: teach --recurse-submodules the on-demand option Refactor submodule push check to use string list instead of integer Teach revision walking machinery to walk multiple times sequencially
2012-04-23Merge branch 'rs/commit-list-sort-in-batch'Libravatar Junio C Hamano1-0/+3
Setting up a revision traversal with many starting points was inefficient as these were placed in a date-order priority queue one-by-one. By René Scharfe (3) and Junio C Hamano (1) * rs/commit-list-sort-in-batch: mergesort: rename it to llist_mergesort() revision: insert unsorted, then sort in prepare_revision_walk() commit: use mergesort() in commit_list_sort_by_date() add mergesort() for linked lists
2012-04-23Merge branch 'jn/debian-customizes-default-editor'Libravatar Junio C Hamano1-0/+2
Make it easier for distros to document custom pager and editor they used when building their binary releases in "git var" documentation. By Jonathan Nieder * jn/debian-customizes-default-editor: var doc: advertise current DEFAULT_PAGER and DEFAULT_EDITOR settings var doc: default editor and pager are configurable at build time
2012-04-23Merge branch 'pw/git-p4'Libravatar Junio C Hamano1-0/+1
By Pete Wyckoff * pw/git-p4: git p4: use "git p4" directly in tests git p4: update name in script git-p4: move to toplevel
2012-04-23Makefile: feed all header files to xgettextLibravatar Nguyễn Thái Ngọc Duy1-17/+31
Translation markers may be present in header files too. Make sure we don't miss any. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-11add mergesort() for linked listsLibravatar René Scharfe1-0/+3
This adds a generic bottom-up mergesort implementation for singly linked lists. It was inspired by Simon Tatham's webpage on the topic[1], but not so much by his implementation -- for no good reason, really, just a case of NIH. [1] http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-10var doc: advertise current DEFAULT_PAGER and DEFAULT_EDITOR settingsLibravatar Jonathan Nieder1-0/+2
Document the default pager and editor chosen at compile time in the git-var(1) manpage so users curious about what command _this_ copy of git will fall back to when EDITOR, VISUAL, and PAGER are unset can find the answer quickly. In builds leaving those settings uncustomized, this patch makes the manpage continue to say "usually vi" and "usually less" so the formatted documentation is usable for a wide audience including users of custom builds that change those settings. If you would like your copy of the docs to be less noncommittal, you will need to set DEFAULT_PAGER=less and DEFAULT_EDITOR=vi explicitly. Suggested-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-09xdiff: load full words in the inner loop of xdl_hash_recordLibravatar Thomas Rast1-0/+12
Redo the hashing loop in xdl_hash_record in a way that loads an entire 'long' at a time, using masking tricks to see when and where we found the terminating '\n'. I stole inspiration and code from the posts by Linus Torvalds around https://lkml.org/lkml/2012/3/2/452 https://lkml.org/lkml/2012/3/5/6 His method reads the buffers in sizeof(long) increments, and may thus overrun it by at most sizeof(long)-1 bytes before it sees the final newline (or hits the buffer length check). I considered padding out all buffers by a suitable amount to "catch" the overrun, but * this does not work for mmap()'d buffers: if you map 4096+8 bytes from a 4096 byte file, accessing the last 8 bytes results in a SIGBUS on my machine; and * it would also be extremely ugly because it intrudes deep into the unpacking machinery. So I adapted it to not read beyond the buffer at all. Instead, it reads the final partial word byte-by-byte and strings it together. Then it can use the same logic as before to finish the hashing. So far we enable this only on x86_64, where it provides nice speedup for diff-related work: Test origin/next tr/xdiff-fast-hash ----------------------------------------------------------------------------- 4000.1: log -3000 (baseline) 0.07(0.05+0.02) 0.08(0.06+0.02) +14.3% 4000.2: log --raw -3000 (tree-only) 0.37(0.33+0.04) 0.37(0.32+0.04) +0.0% 4000.3: log -p -3000 (Myers) 1.75(1.65+0.09) 1.60(1.49+0.10) -8.6% 4000.4: log -p -3000 --histogram 1.73(1.62+0.09) 1.58(1.49+0.08) -8.7% 4000.5: log -p -3000 --patience 2.11(2.00+0.10) 1.94(1.80+0.11) -8.1% Perhaps other platforms could also benefit. However it does NOT work on big-endian systems! [jc: minimum style and compilation fixes] Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-09git-p4: move to toplevelLibravatar Pete Wyckoff1-0/+1
Move git-p4 out of contrib/fast-import into the main code base, aside other foreign SCM tools. Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-03Use SHELL_PATH from build system in run_command.c:prepare_shell_cmdLibravatar Ben Walton1-0/+7
During the testing of the 1.7.10 rc series on Solaris for OpenCSW, it was discovered that t7006-pager was failing due to finding a bad "sh" in PATH after a call to execvp("sh", ...). This call was setup by run_command.c:prepare_shell_cmd. The PATH in use at the time saw /opt/csw/bin given precedence to traditional Solaris paths such as /usr/bin and /usr/xpg4/bin. A package named schilyutils (Joerg Schilling's utilities) was installed on the build system and it delivered a modified version of the traditional Solaris /usr/bin/sh as /opt/csw/bin/sh. This version of sh suffers from many of the same problems as /usr/bin/sh. The command-specific pager test failed due to the broken "sh" handling ^ as a pipe character. It tried to fork two processes when it encountered "sed s/^/foo:/" as the pager command. This problem was entirely dependent on the PATH of the user at runtime. Possible fixes for this issue are: 1. Use the standard system() or popen() which both launch a POSIX shell on Solaris as long as _POSIX_SOURCE is defined. 2. The git wrapper could prepend SANE_TOOL_PATH to PATH thus forcing all unqualified commands run to use the known good tools on the system. 3. The run_command.c:prepare_shell_command() could use the same SHELL_PATH that is in the #! line of all all scripts and not rely on PATH to find the sh to run. Option 1 would preclude opening a bidirectional pipe to a filter script and would also break git for Windows as cmd.exe is spawned from system() (cf. v1.7.5-rc0~144^2, "alias: use run_command api to execute aliases, 2011-01-07). Option 2 is not friendly to users as it would negate their ability to use tools of their choice in many cases. Alternately, injecting SANE_TOOL_PATH such that it takes precedence over /bin and /usr/bin (and anything with lower precedence than those paths) as git-sh-setup.sh does would not solve the problem either as the user environment could still allow a bad sh to be found. (Many OpenCSW users will have /opt/csw/bin leading their PATH and some subset would have schilyutils installed.) Option 3 allows us to use a known good shell while still honouring the users' PATH for the utilities being run. Thus, it solves the problem while not negatively impacting either users or git's ability to run external commands in convenient ways. Essentially, the shell is a special case of tool that should not rely on SANE_TOOL_PATH and must be called explicitly. With this patch applied, any code path leading to run_command.c:prepare_shell_cmd can count on using the same sane shell that all shell scripts in the git suite use. Both the build system and run_command.c will default this shell to /bin/sh unless overridden. Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-03varint: make it available outside the context of packLibravatar Junio C Hamano1-0/+2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-30Teach revision walking machinery to walk multiple times sequenciallyLibravatar Heiko Voigt1-0/+1
Previously it was not possible to iterate revisions twice using the revision walking api. We add a reset_revision_walk() which clears the used flags. This allows us to do multiple sequencial revision walks. We add the appropriate calls to the existing submodule machinery doing revision walks. This is done to avoid surprises if future code wants to call these functions more than once during the processes lifetime. Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-28Merge branch 'master' into git-poLibravatar Jiang Xin1-20/+68
2012-02-26Merge branch 'maint'Libravatar Junio C Hamano1-0/+1
* maint: Document accumulated fixes since 1.7.9.2 Git 1.7.8.5 grep -P: Fix matching ^ and $ am: don't infloop for an empty input file rebase -m: only call "notes copy" when rewritten exists and is non-empty git-p4: remove bash-ism in t9800 git-p4: remove bash-ism in t9809 git-p4: fix submit regression with clientSpec and subdir clone git-p4: set useClientSpec variable on initial clone Makefile: add thread-utils.h to LIB_H Conflicts: RelNotes t/t9809-git-p4-client-view.sh
2012-02-26Sync with 1.7.8.5Libravatar Junio C Hamano1-0/+1
2012-02-26Makefile: add thread-utils.h to LIB_HLibravatar Dmitry V. Levin1-0/+1
Starting with commit v1.7.8-165-g0579f91, grep.h includes thread-utils.h, so the latter has to be added to LIB_H. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-21Merge branch 'dp/i18n-libcharset' into maintLibravatar Junio C Hamano1-0/+5
* dp/i18n-libcharset: Makefile: introduce CHARSET_LIB to link with -lcharset
2012-02-21Merge branch 'tt/profile-build-fix' into maintLibravatar Junio C Hamano1-18/+37
* tt/profile-build-fix: Makefile: fix syntax for older make Fix build problems related to profile-directed optimization
2012-02-17Introduce a performance testing frameworkLibravatar Thomas Rast1-1/+21
This introduces a performance testing framework under t/perf/. It tries to be as close to the test-lib.sh infrastructure as possible, and thus should be easy to get used to for git developers. The following points were considered for the implementation: 1. You usually want to compare arbitrary revisions/build trees against each other. They may not have the performance test under consideration, or even the perf-lib.sh infrastructure. To cope with this, the 'run' script lets you specify arbitrary build dirs and revisions. It even automatically builds the revisions if it doesn't have them at hand yet. 2. Usually you would not want to run all tests. It would take too long anyway. The 'run' script lets you specify which tests to run; or you can also do it manually. There is a Makefile for discoverability and 'make clean', but it is not meant for real-world use. 3. Creating test repos from scratch in every test is extremely time-consuming, and shipping or downloading such large/weird repos is out of the question. We leave this decision to the user. Two different sizes of test repos can be configured, and the scripts just copy one or more of those (using hardlinks for the object store). By default it tries to use the build tree's git.git repository. This is fairly fast and versatile. Using a copy instead of a clone preserves many properties that the user may want to test for, such as lots of loose objects, unpacked refs, etc. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-15l10n: initial git.pot for 1.7.10 upcoming releaseLibravatar Jiang Xin1-1/+0
The file 'po/git.pot' is generated using the command 'make pot' against git v1.7.9-209-gb6b3b (Update draft release notes to 1.7.10). Since po/git.pot is tracked, remove the entry from .gitignore, and not delete the file again when doing 'make distclean'. Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
2012-02-14Merge branch 'dp/i18n-libcharset'Libravatar Junio C Hamano1-0/+5
* dp/i18n-libcharset: Makefile: introduce CHARSET_LIB to link with -lcharset
2012-02-13Merge branch 'mp/make-cleanse-x-for-exe' into maintLibravatar Junio C Hamano1-0/+3
* mp/make-cleanse-x-for-exe: Explicitly set X to avoid potential build breakage
2012-02-13Sync with maintLibravatar Junio C Hamano1-1/+1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13Makefile: Change the default compiler from "gcc" to "cc"Libravatar Ævar Arnfjörð Bjarmason1-1/+1
Ever since the very first commit to git.git we've been setting CC to "gcc". Presumably this is behavior that Linus copied from the Linux Makefile. However unlike Linux Git is written in ANSI C and supports a multitude of compilers, including Clang, Sun Studio, xlc etc. On my Linux box "cc" is a symlink to clang, and on a Solaris box I have access to "cc" is Sun Studio's CC. Both of these are perfectly capable of compiling Git, and it's annoying to have to specify CC=cc on the command-line when compiling Git when that's the default behavior of most other portable programs. So change the default to "cc". Users who want to compile with GCC can still add "CC=gcc" to the make(1) command-line, but those users who don't have GCC as their "cc" will see expected behavior, and as a bonus we'll be more likely to smoke out new compilation warnings from our distributors since they'll me using a more varied set of compilers by default. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13Makefile: introduce CHARSET_LIB to link with -lcharsetLibravatar Дилян Палаузов1-0/+5
On some systems, the function locale_charset() may not be exported from libiconv but is available from libcharset, and we need -lcharset when linking. Introduce a make variable CHARSET_LIB that can be set to -lcharsetlib on such systems. Also autodetect this in the configure script by first looking for the symbol in libiconv, and then libcharset. Signed-off-by: Дилян Палаузов <dilyan.palauzov@aegee.org>
2012-02-12Merge branch 'tt/profile-build-fix'Libravatar Junio C Hamano1-18/+37
* tt/profile-build-fix: Makefile: fix syntax for older make Fix build problems related to profile-directed optimization
2012-02-12Merge branch 'mp/make-cleanse-x-for-exe'Libravatar Junio C Hamano1-0/+3
* mp/make-cleanse-x-for-exe: Explicitly set X to avoid potential build breakage
2012-02-09Explicitly set X to avoid potential build breakageLibravatar Michael Palimaka1-0/+3
$X is appended to binary names for Windows builds (ie. git.exe). Pollution from the environment can inadvertently trigger this behaviour, resulting in 'git' turning into 'gitwhatever' without warning. Signed-off-by: Michael Palimaka <kensington@astralcloak.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-09Makefile: fix syntax for older makeLibravatar Johannes Sixt1-2/+4
It is necessary to write the else branch as a nested conditional. Also, write the conditions with parentheses because we use them throughout the Makefile. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-07Merge branch 'jn/svn-fe'Libravatar Junio C Hamano1-19/+40
* jn/svn-fe: (36 commits) vcs-svn: suppress a -Wtype-limits warning vcs-svn: allow import of > 4GiB files vcs-svn: rename check_overflow arguments for clarity vcs-svn/svndiff.c: squelch false "unused" warning from gcc vcs-svn: reset first_commit_done in fast_export_init vcs-svn: do not initialize report_buffer twice vcs-svn: avoid hangs from corrupt deltas vcs-svn: guard against overflow when computing preimage length vcs-svn: cap number of bytes read from sliding view test-svn-fe: split off "test-svn-fe -d" into a separate function vcs-svn: implement text-delta handling vcs-svn: let deltas use data from preimage vcs-svn: let deltas use data from postimage vcs-svn: verify that deltas consume all inline data vcs-svn: implement copyfrom_data delta instruction vcs-svn: read instructions from deltas vcs-svn: read inline data from deltas vcs-svn: read the preimage when applying deltas vcs-svn: parse svndiff0 window header vcs-svn: skeleton of an svn delta parser ...
2012-02-06Fix build problems related to profile-directed optimizationLibravatar Theodore Ts'o1-18/+35
There was a number of problems I ran into when trying the profile-directed optimizations added by Andi Kleen in git commit 7ddc2710b9. (This was using gcc 4.4 found on many enterprise distros.) 1) The -fprofile-generate and -fprofile-use commands are incompatible with ccache; the code ends up looking in the wrong place for the gcda files based on the ccache object names. 2) If the makefile notices that CFLAGS are different, it will rebuild all of the binaries. Hence the recipe originally specified by the INSTALL file ("make profile-all" followed by "make install") doesn't work. It will appear to work, but the binaries will end up getting built with no optimization. This patch fixes this by using an explicit set of options passed via the PROFILE variable then using this to directly manipulate CFLAGS and EXTLIBS. The developer can run "make PROFILE=BUILD all ; sudo make PROFILE=BUILD install" automatically run a two-pass build with the test suite run in between as the sample workload for the purpose of recording profiling information to do the profile-directed optimization. Alternatively, the profiling version of binaries can be built using: make PROFILE=GEN PROFILE_DIR=/var/cache/profile all make PROFILE=GEN install and then after git has been used for a while, the optimized version of the binary can be built as follows: make PROFILE=USE PROFILE_DIR=/var/cache/profile all make PROFILE=USE install Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Andi Kleen <ak@linux.intel.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-31Merge branch 'ar/i18n-no-gettext'Libravatar Junio C Hamano1-1/+6
* ar/i18n-no-gettext: i18n: Do not force USE_GETTEXT_SCHEME=fallthrough on NO_GETTEXT i18n: Make NO_GETTEXT imply fallthrough scheme in shell l10n add a Makefile switch to avoid gettext translation in shell scripts git-sh-i18n: restructure the logic to compute gettext.sh scheme