Remove extraneous/unneeded dependencies on glut. SimGear should no longer

[simgear.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a1a8c79dee3beaba40b1db4a73a8cc9770d68a06..ba93665e731e05c326b0d60db32412f117e6aae3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -42,19 +42,24 @@ dnl set the $host variable based on local machine/os
 AC_CANONICAL_HOST
 
 dnl Used on the Irix platform
-AR="ar"
-ARFLAGS="cru"
 case "${host}" in
 *-*-irix*)
-    if test "$CXX" = "CC"; then
-        AR="CC -ar"
+    if test "x$CXX" = "xCC" -o "x$CXX" = "xccache CC"; then
+        AR="$CXX -ar"
         ARFLAGS="-o"
         CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility"
+        compatibility_DIR="compatibility"
     fi
     ;;
+*)
+    AR="ar"
+    ARFLAGS="cru"
+    compatibility_DIR=
+    ;;
 esac
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
+AC_SUBST(compatibility_DIR)
 
 if echo $includedir | egrep "simgear$" > /dev/null; then
     echo "includedir is" $includedir "libdir is" $libdir
@@ -134,12 +139,6 @@ esac
 
 dnl Checks for libraries.
 
-null_LIBS="$LIBS"
-
-AC_SEARCH_LIBS(cos, m)
-
-base_LIBS="$LIBS"
-
 dnl Thread related checks
 AC_CHECK_HEADER(pthread.h)
 AC_CHECK_LIB(pthread, pthread_exit)
@@ -168,25 +167,22 @@ if test "x$ac_cv_lib_pthread_pthread_exit" != "xyes" -a "x$ac_cv_header_pthread_
     LIBS=$save_LIBS
 fi
 
-AM_CONDITIONAL(HAVE_THREADS, test "x$enable_threads" = "xyes" -a "x$ac_cv_header_pthread_h" = "xyes")
+AM_CONDITIONAL(HAVE_THREADS, test "x$ac_cv_lib_pthread_pthread_exit" = "xyes" -a "x$ac_cv_header_pthread_h" = "xyes")
 
+thread_LIBS="$LIBS"
+LIBS=""
 
+dnl search for network related libraries
 AC_SEARCH_LIBS(inet_addr, xnet)
 AC_SEARCH_LIBS(socket, socket)
 
-dnl check for glut location
-AC_CHECK_HEADER(GL/glut.h)
-if test "x$ac_cv_header_GL_glut_h" = "xyes"; then
-    AC_DEFINE([GLUT_H], "GL/glut.h", [Define as glut.h include location])
-else
-    AC_CHECK_HEADER(GLUT/glut.h)
-    if test "x$ac_cv_header_GLUT_glut_h" = "xyes"; then
-        AC_DEFINE([GLUT_H], "GLUT/glut.h", [Define as glut.h include location])
-    else
-        echo "Neither GL/glut.h nor GLUT/glut.h found.  Cannot continue"
-        exit
-    fi
-fi
+network_LIBS="$LIBS"
+LIBS=""
+
+dnl check for some default libraries
+AC_SEARCH_LIBS(cos, m)
+
+base_LIBS="$LIBS"
 
 dnl check for OpenGL related libraries
 case "${host}" in
@@ -197,7 +193,7 @@ case "${host}" in
     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 
-    LIBS="$LIBS -lglut32 -lglu32 -lopengl32"
+    LIBS="$LIBS -lglu32 -lopengl32"
     LIBS="$LIBS -luser32 -lgdi32 -lwinmm"
 
     dnl add -lwsock32 for mingwin
@@ -213,7 +209,7 @@ case "${host}" in
 *-apple-darwin*)
     dnl Mac OS X
 
-    LIBS="$LIBS -framework GLUT -framework OpenGL -framework Carbon -lobjc"
+    LIBS="$LIBS -framework OpenGL -framework Carbon -lobjc"
     ;;
 
 *)
@@ -243,7 +239,6 @@ case "${host}" in
     fi
 
     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
-    AC_SEARCH_LIBS(glutGetModifiers, [ glut freeglut ])
     ;;
 
 esac
@@ -253,6 +248,8 @@ LIBS="$base_LIBS"
 
 AC_SUBST(base_LIBS)
 AC_SUBST(opengl_LIBS)
+AC_SUBST(thread_LIBS)
+AC_SUBST(network_LIBS)
 
 dnl Check for MS Windows environment
 AC_CHECK_HEADER(windows.h)
@@ -413,6 +410,7 @@ AC_CONFIG_FILES([ \
        simgear/scene/material/Makefile \
        simgear/scene/model/Makefile \
        simgear/scene/sky/Makefile \
+       simgear/scene/sky/clouds3d/Makefile \
        simgear/scene/tgdb/Makefile \
        simgear/screen/Makefile \
        simgear/serial/Makefile \
@@ -440,13 +438,6 @@ fi
 echo -n "Automake version: "
 automake --version | head -1
 
-if test "x$ac_cv_header_GL_glut_h" = "xyes"; then
-   echo "With GL/glut.h"
-fi
-if test "x$ac_cv_header_GLUT_glut_h" = "xyes"; then
-   echo "With GLUT/glut.h"
-fi
-
 if test "x$with_jpeg_factory" = "xyes"; then
    echo "With JPEG Factory support"
 else