X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.in;h=bdaa48e4288dc350bf63f62cb41195d56e3956da;hb=187258cc3a7c969206b603b2e75f4533f5b2c6e5;hp=083e3a5530b7adf575c09920c2bca9607960cad8;hpb=e07af680183126847f1547a7ad8101e43fbe9023;p=simgear.git

diff --git a/configure.in b/configure.in
index 083e3a55..bdaa48e4 100644
--- a/configure.in
+++ b/configure.in
@@ -28,11 +28,24 @@ echo CC = $CC
 dnl Checks for programs.
 AC_PROG_MAKE_SET
 AC_PROG_CC
+AC_PROG_CPP
 AC_PROG_CXX
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 AC_PROG_LN_S
 
+OS=`uname -s`
+if test $OS = "IRIX" -o $OS = "IRIX64"; then
+    if text $CC = "CC"; then
+        AR="CC -ar"
+    else
+        AR="ar"
+    fi
+else
+    AR="ar"
+fi
+AC_SUBST(AR)
+
 if echo $includedir | egrep "simgear$" > /dev/null; then
     echo "includedir is" $includedir "libdir is" $libdir
 else
@@ -94,6 +107,15 @@ AC_CHECK_LIB(m, cos)
 
 base_LIBS="$LIBS"
 
+dnl Thread related checks
+AC_CHECK_LIB(pthread, pthread_exit)
+AC_CHECK_HEADER(pthread.h)
+if test "x$ac_cv_lib_pthread_pthread_exit" = "xyes" -a "x$ac_cv_header_pthread_h" = "xyes"; then
+    CXXFLAGS="$CXXFLAGS -D_REENTRANT"
+    CFLAGS="$CFLAGS -D_REENTRANT"
+fi
+AM_CONDITIONAL(HAVE_THREADS, test "x$ac_cv_lib_pthread_pthread_exit" = "xyes" -a "x$ac_cv_header_pthread_h" = "xyes")
+
 AC_CHECK_LIB(socket, socket)
 AC_CHECK_LIB(X11, XCreateWindow)
 AC_CHECK_LIB(Xext, XShmCreateImage)
@@ -279,6 +301,7 @@ AC_OUTPUT( \
 	simgear/screen/Makefile \
 	simgear/serial/Makefile \
 	simgear/sky/Makefile \
+	simgear/threads/Makefile \
 	simgear/timing/Makefile \
 	simgear/xgl/Makefile \
 	simgear/xml/Makefile \
@@ -320,3 +343,9 @@ fi
 if test "x$ac_cv_header_zlib_h" != "xyes"; then
    echo "Building zlib"
 fi
+
+if test "x$ac_cv_lib_pthread_pthread_exit" = "xyes" -a "x$ac_cv_header_pthread_h" = "xyes"; then
+   echo "Threads: pthread is supported."
+else
+   echo "Threads: no threads (pthreads not found.)"
+fi