Add autoconf tests for pthreads
Set the value of PTHREAD_LIBS to the correct flags for linking pthreads on the current environment. Signed-off-by: David M. Syzdek <david.syzdek@acsalaska.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
David M. Syzdek committed
Nov 3, 2008 at 09:14 UTC
20f7a39825e30891056ab00ea620eaffda6aa451
2 files changed
+17
config.mak.in
+1
@@ -51,3 +51,4 @@ OLD_ICONV=@OLD_ICONV@
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NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@
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FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@
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SNPRINTF_RETURNS_BOGUS=@SNPRINTF_RETURNS_BOGUS@
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+PTHREAD_LIBS=@PTHREAD_LIBS@
configure.ac
+16
@@ -479,6 +479,22 @@ AC_SUBST(NO_MKDTEMP)
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#
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# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
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# Enable it on Windows. By default, symrefs are still used.
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+#
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+# Define PTHREAD_LIBS to the linker flag used for Pthread support.
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+AC_LANG_CONFTEST([AC_LANG_PROGRAM(
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+ [[#include <pthread.h>]],
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+ [[pthread_mutex_t test_mutex;]]
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+)])
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+${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1
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+if test $? -eq 0;then
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+ PTHREAD_LIBS="-pthread"
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+else
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+ ${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1
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+ if test $? -eq 0;then
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+ PTHREAD_LIBS="-lpthread"
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+ fi
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+fi
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+AC_SUBST(PTHREAD_LIBS)
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## Site configuration (override autodetection)
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## --with-PACKAGE[=ARG] and --without-PACKAGE