Detect Irix/CC compiler and substitute AR="CC -ar".

[simgear.git] / configure.in

diff --git a/configure.in b/configure.in
index 083e3a5530b7adf575c09920c2bca9607960cad8..f53cdb8f050240784578334d5ffe21fcf76d8560 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -28,11 +28,20 @@ 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 test "$CXX" = "CC"; then
+        AR="CC -ar"
+        AC_SUBST(AR)
+    fi
+fi
+
 if echo $includedir | egrep "simgear$" > /dev/null; then
     echo "includedir is" $includedir "libdir is" $libdir
 else
@@ -53,7 +62,7 @@ AC_ARG_WITH(efence, [  --with-efence           Specify if we are building with "
 
 if test "x$with_efence" = "xyes" ; then
     echo "Building with efence"
-    LIBS= "$LIBS -lefence"
+    LIBS="$LIBS -lefence"
 fi
 
 dnl Check for MS Windows environment
@@ -94,6 +103,15 @@ 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)
@@ -245,8 +263,12 @@ AM_CONDITIONAL(HAVE_ZLIB, test "x$ac_cv_header_zlib_h" = "xyes" )
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS( \
-       fcntl.h getopt.h malloc.h memory.h stdlib.h sys/param.h sys/stat.h \
-        sys/time.h sys/timeb.h unistd.h windows.h winbase.h values.h )
+       fcntl.h getopt.h malloc.h memory.h stdint.h stdlib.h sys/param.h \
+       sys/stat.h sys/time.h sys/timeb.h unistd.h windows.h winbase.h values.h )
+
+if test "x$ac_cv_header_stdint_h" = "xyes"; then
+    AC_DEFINE( HAVE_STDINT_H )
+fi
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -260,7 +282,7 @@ AC_FUNC_VPRINTF
 AC_CHECK_FUNCS( ftime gettimeofday timegm memcpy bcopy mktime strstr rand \
        random setitimer getitimer signal GetLocalTime rint getrusage )
 
-AM_CONFIG_HEADER(simgear/config.h)
+AM_CONFIG_HEADER(simgear/simgear_config.h)
 
 AC_OUTPUT( \
        Makefile \
@@ -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 lib found."
+else
+   echo "Threads: no threads (pthread lib not found.)"
+fi