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-rw-r--r--config.mak.in1
-rw-r--r--configure.ac6
2 files changed, 6 insertions, 1 deletions
diff --git a/config.mak.in b/config.mak.in
index 14dfb21fa5..55b25c3d26 100644
--- a/config.mak.in
+++ b/config.mak.in
@@ -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@
diff --git a/configure.ac b/configure.ac
index 0a5fc8c6f6..5198c83f65 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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