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autoconf: Enable threaded delta search when pthreads are supported

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Automatically set THREADED_DELTA_SEARCH when autoconf test detects
support for pthreads on the platform.  This will change the default for
some platforms that did not enable threaded delta search previously.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David M. Syzdek 2008-11-03 09:14:28 -09:00 committed by Junio C Hamano
parent 757c7f60a7
commit d937c374cc
2 changed files with 6 additions and 1 deletions
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1
config.mak.in
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@ -52,4 +52,5 @@ NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@
FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@
SNPRINTF_RETURNS_BOGUS=@SNPRINTF_RETURNS_BOGUS@
NO_PTHREADS=@NO_PTHREADS@
THREADED_DELTA_SEARCH=@THREADED_DELTA_SEARCH@
PTHREAD_LIBS=@PTHREAD_LIBS@

6
configure.ac
View File

@ -492,7 +492,8 @@ AC_SUBST(NO_MKDTEMP)
#
# Define NO_PTHREADS if we do not have pthreads
#
# Define PTHREAD_LIBS to the linker flag used for Pthread support.
# Define PTHREAD_LIBS to the linker flag used for Pthread support and define
# THREADED_DELTA_SEARCH if Pthreads are available.
AC_LANG_CONFTEST([AC_LANG_PROGRAM(
[[#include <pthread.h>]],
[[pthread_mutex_t test_mutex;]]
@ -500,16 +501,19 @@ AC_LANG_CONFTEST([AC_LANG_PROGRAM(
${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1
if test $? -eq 0;then
PTHREAD_LIBS="-pthread"
THREADED_DELTA_SEARCH=YesPlease
else
${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1
if test $? -eq 0;then
PTHREAD_LIBS="-lpthread"
THREADED_DELTA_SEARCH=YesPlease
else
NO_PTHREADS=UnfortunatelyYes
fi
fi
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(NO_PTHREADS)
AC_SUBST(THREADED_DELTA_SEARCH)
## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE