Add some more descriptive comments

[simgear.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index c16390d4745631a8dd45c0e96bc1cf1333affd21..6dff2c2f9cd6111230cc4535fa39f453121cb65a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@ dnl Require at least automake 2.52
 AC_PREREQ(2.52)
 
 dnl Initialize the automake stuff
 AC_PREREQ(2.52)
 
 dnl Initialize the automake stuff

-AM_INIT_AUTOMAKE(SimGear, 0.3.1)
+AM_INIT_AUTOMAKE(SimGear, 0.3.3)

 
 dnl Specify KAI C++ compiler and flags.
 dnl Borrowed with slight modification from blitz distribution.
 
 dnl Specify KAI C++ compiler and flags.
 dnl Borrowed with slight modification from blitz distribution.


@@ -49,6 +49,7 @@ case "${host}" in
     if test "$CXX" = "CC"; then
         AR="CC -ar"
         ARFLAGS="-o"
     if test "$CXX" = "CC"; then
         AR="CC -ar"
         ARFLAGS="-o"

+        CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility"

     fi
     ;;
 esac
     fi
     ;;
 esac


@@ -146,6 +147,25 @@ if test "x$ac_cv_lib_pthread_pthread_exit" = "xyes" -a "x$ac_cv_header_pthread_h
     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
     CFLAGS="$CFLAGS -D_REENTRANT"
 fi
     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
     CFLAGS="$CFLAGS -D_REENTRANT"
 fi

+if test "x$ac_cv_lib_pthread_pthread_exit" != "xyes" -a "x$ac_cv_header_pthread_h" = "xyes"; then
+    dnl FreeBSD: System has pthread.h, but -lpthread library check
+    dnl fails.  See if we need -pthread instead of -lpthread and look
+    dnl for the functions in libc_r.
+    save_CXXFLAGS="$CXXFLAGS"
+    save_CFLAGS="$CFLAGS"
+    CXXFLAGS="-pthread $CXXFLAGS"
+    CFLAGS="-pthread $FLAGS"
+    save_LIBS=$LIBS
+    AC_CHECK_LIB(c_r, pthread_exit)
+    if test "x$ac_cv_lib_c_r_pthread_exit" != "xyes"; then
+       CXXFLAGS=$save_CXXFLAGS
+       CFLAGS=$save_CFLAGS
+    else
+       dnl This is cheating a bit. pthread_exit comes with using -pthread, not -lpthread
+       ac_cv_lib_pthread_pthread_exit="yes"
+    fi
+    LIBS=$save_LIBS
+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)
 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)


@@ -179,7 +199,7 @@ case "${host}" in
     dnl add -lwsock32 for mingwin
     case "${host}" in
     *-*-mingw32*)
     dnl add -lwsock32 for mingwin
     case "${host}" in
     *-*-mingw32*)

-        LIBS="$LIBS -lws2_32"
+        base_LIBS="$base_LIBS -lws2_32"

         ;;
     esac
 
         ;;
     esac
 


@@ -296,7 +316,7 @@ if test "x$ac_cv_header_mk4_h" != "xyes"; then
     echo "If your OS does not provide an installable package for MetaKit"
     echo "you will have to compile and install it first yourself.  A copy"
     echo "of metakit-$(VERSION).tar.gz is included with SimGear.  You will"
     echo "If your OS does not provide an installable package for MetaKit"
     echo "you will have to compile and install it first yourself.  A copy"
     echo "of metakit-$(VERSION).tar.gz is included with SimGear.  You will"

-    echo "have to untar this source code, and follow it's included instructions"
+    echo "have to untar this source code, and follow its included instructions"

     echo "to compile and install on your system."
     echo
     echo "configure aborted."
     echo "to compile and install on your system."
     echo
     echo "configure aborted."


@@ -348,7 +368,7 @@ if test "x$ac_cv_header_zlib_h" != "xyes"; then
     echo "If your OS does not provide an installable package for zlib"
     echo "you will have to compile and install it first yourself.  A copy"
     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
     echo "If your OS does not provide an installable package for zlib"
     echo "you will have to compile and install it first yourself.  A copy"
     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"

-    echo "have to untar this source code, and follow it's included instructions"
+    echo "have to untar this source code, and follow its included instructions"

     echo "to compile and install on your system."
     echo
     echo "configure aborted."
     echo "to compile and install on your system."
     echo
     echo "configure aborted."


@@ -359,7 +379,7 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS( \
        fcntl.h getopt.h malloc.h memory.h stdint.h stdlib.h sys/param.h \
 AC_HEADER_STDC
 AC_CHECK_HEADERS( \
        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 winbase.h values.h )
+       sys/stat.h sys/time.h sys/timeb.h unistd.h values.h )

 
 if test "x$ac_cv_header_stdint_h" = "xyes"; then
     AC_DEFINE([HAVE_STDINT_H], 1, [Define if stdint.h exists])
 
 if test "x$ac_cv_header_stdint_h" = "xyes"; then
     AC_DEFINE([HAVE_STDINT_H], 1, [Define if stdint.h exists])


@@ -386,6 +406,7 @@ AC_CONFIG_FILES([ \
        src-libs/Makefile \
        simgear/Makefile \
        simgear/version.h \
        src-libs/Makefile \
        simgear/Makefile \
        simgear/version.h \

+       simgear/compatibility/Makefile \

        simgear/bucket/Makefile \
        simgear/debug/Makefile \
        simgear/ephemeris/Makefile \
        simgear/bucket/Makefile \
        simgear/debug/Makefile \
        simgear/ephemeris/Makefile \


@@ -394,11 +415,16 @@ AC_CONFIG_FILES([ \
        simgear/math/Makefile \
        simgear/metar/Makefile \
        simgear/misc/Makefile \
        simgear/math/Makefile \
        simgear/metar/Makefile \
        simgear/misc/Makefile \

+       simgear/props/Makefile \

        simgear/route/Makefile \
        simgear/route/Makefile \

+       simgear/scene/Makefile \
+       simgear/scene/material/Makefile \
+       simgear/scene/model/Makefile \
+       simgear/scene/sky/Makefile \
+       simgear/scene/tgdb/Makefile \

        simgear/screen/Makefile \
        simgear/serial/Makefile \
        simgear/screen/Makefile \
        simgear/serial/Makefile \

-       simgear/sky/Makefile \
-       simgear/sky/clouds3d/Makefile \
+       simgear/sound/Makefile \

        simgear/threads/Makefile \
        simgear/timing/Makefile \
        simgear/xgl/Makefile \
        simgear/threads/Makefile \
        simgear/timing/Makefile \
        simgear/xgl/Makefile \