X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=configure;h=222b8fd1e03d3d1af22efc83c2bb47b6633c1b95;hb=995c7af364cfdc254e904a3b560e068339613534;hp=d5a625847694395c8bd5a26ede598cb64d277069;hpb=952c762f4f9b86063b009674c2baca7e5a87a705;p=gacela.git

diff --git a/configure b/configure
index d5a6258..222b8fd 100755
--- a/configure
+++ b/configure
@@ -616,10 +616,10 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
-GUILE_LTLIBS
-GUILE_LIBS
 GUILE_LDFLAGS
 GUILE_CFLAGS
+GUILE_LTLIBS
+GUILE_LIBS
 GUILE_TOOLS
 GUILE_CONFIG
 GUILE
@@ -741,6 +741,7 @@ enable_fast_install
 with_gnu_ld
 with_sysroot
 enable_libtool_lock
+enable_rpath
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1378,6 +1379,7 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-rpath         do not hardcode runtime library paths
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1387,6 +1389,7 @@ Optional Packages:
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-sysroot=DIR Search for dependent libraries within DIR
                         (or the compiler's sysroot if not specified).
+  --with-gnu-ld           assume the C compiler uses GNU ld default=no
 
 Some influential environment variables:
   CC          C compiler command
@@ -7615,6 +7618,10 @@ _lt_linker_boilerplate=`cat conftest.err`
 $RM -r conftest*
 
 
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
 if test -n "$compiler"; then
 
 lt_prog_compiler_no_builtin_flag=
@@ -11301,206 +11308,366 @@ fi
 
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking libguile compile flags" >&5
-$as_echo_n "checking libguile compile flags... " >&6; }
-  GUILE_CFLAGS="`$GUILE_CONFIG compile`"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUILE_CFLAGS" >&5
-$as_echo "$GUILE_CFLAGS" >&6; }
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking libguile link flags" >&5
-$as_echo_n "checking libguile link flags... " >&6; }
-  GUILE_LDFLAGS="`$GUILE_CONFIG link`"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUILE_LDFLAGS" >&5
-$as_echo "$GUILE_LDFLAGS" >&6; }
-
-        AC_LIB_LINKFLAGS_FROM_LIBS(GUILE_LIBS, $GUILE_LDFLAGS, )
-  GUILE_LIBS="$GUILE_LDFLAGS $GUILE_LIBS"
-  AC_LIB_LINKFLAGS_FROM_LIBS(GUILE_LTLIBS, $GUILE_LDFLAGS, yes)
-  GUILE_LTLIBS="$GUILE_LDFLAGS $GUILE_LTLIBS"
-
-
-
-
-
-
-CFLAGS="$CFLAGS -I/usr/include/freetype2"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lreadline" >&5
-$as_echo_n "checking for main in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_main+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lreadline  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-
-int
-main ()
-{
-return main ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_readline_main=yes
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then :
+  withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
 else
-  ac_cv_lib_readline_main=no
+  with_gnu_ld=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+
+# Prepare PATH_SEPARATOR.
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_main" >&5
-$as_echo "$ac_cv_lib_readline_main" >&6; }
-if test "x$ac_cv_lib_readline_main" = xyes; then :
-  as_fn_error $? "*** readline library not found!" "$LINENO" 5
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by GCC" >&5
+$as_echo_n "checking for ld used by GCC... " >&6; }
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [\\/]* | [A-Za-z]:[\\/]*)
+      re_direlt='/[^/][^/]*/\.\./'
+      # Canonicalize the path of ld
+      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+        ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+$as_echo_n "checking for GNU ld... " >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+$as_echo_n "checking for non-GNU ld... " >&6; }
 fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lSDL" >&5
-$as_echo_n "checking for main in -lSDL... " >&6; }
-if ${ac_cv_lib_SDL_main+:} false; then :
+if ${acl_cv_path_LD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lSDL  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-
-int
-main ()
-{
-return main ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_SDL_main=yes
+  if test -z "$LD"; then
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      acl_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some GNU ld's only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
+      *GNU* | *'with BFD'*)
+        test "$with_gnu_ld" != no && break ;;
+      *)
+        test "$with_gnu_ld" != yes && break ;;
+      esac
+    fi
+  done
+  IFS="$ac_save_ifs"
 else
-  ac_cv_lib_SDL_main=no
+  acl_cv_path_LD="$LD" # Let the user override the test with a path.
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL_main" >&5
-$as_echo "$ac_cv_lib_SDL_main" >&6; }
-if test "x$ac_cv_lib_SDL_main" = xyes; then :
-  as_fn_error $? "*** SDL library not found!" "$LINENO" 5
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lSDL_image" >&5
-$as_echo_n "checking for main in -lSDL_image... " >&6; }
-if ${ac_cv_lib_SDL_image_main+:} false; then :
+LD="$acl_cv_path_LD"
+if test -n "$LD"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+$as_echo "$LD" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
+if ${acl_cv_prog_gnu_ld+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lSDL_image  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
+  # I'd rather use --version here, but apparently some GNU ld's only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  acl_cv_prog_gnu_ld=yes ;;
+*)
+  acl_cv_prog_gnu_ld=no ;;
+esac
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acl_cv_prog_gnu_ld" >&5
+$as_echo "$acl_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$acl_cv_prog_gnu_ld
+
 
 
-int
-main ()
-{
-return main ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_SDL_image_main=yes
-else
-  ac_cv_lib_SDL_image_main=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL_image_main" >&5
-$as_echo "$ac_cv_lib_SDL_image_main" >&6; }
-if test "x$ac_cv_lib_SDL_image_main" = xyes; then :
-  as_fn_error $? "*** SDL_image library not found!" "$LINENO" 5
-fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lSDL_gfx" >&5
-$as_echo_n "checking for main in -lSDL_gfx... " >&6; }
-if ${ac_cv_lib_SDL_gfx_main+:} false; then :
+                                                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shared library run path origin" >&5
+$as_echo_n "checking for shared library run path origin... " >&6; }
+if ${acl_cv_rpath+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lSDL_gfx  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
 
+    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
+    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
+    . ./conftest.sh
+    rm -f ./conftest.sh
+    acl_cv_rpath=done
 
-int
-main ()
-{
-return main ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_SDL_gfx_main=yes
-else
-  ac_cv_lib_SDL_gfx_main=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL_gfx_main" >&5
-$as_echo "$ac_cv_lib_SDL_gfx_main" >&6; }
-if test "x$ac_cv_lib_SDL_gfx_main" = xyes; then :
-  as_fn_error $? "*** SDL_gfx library not found!" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acl_cv_rpath" >&5
+$as_echo "$acl_cv_rpath" >&6; }
+  wl="$acl_cv_wl"
+  acl_libext="$acl_cv_libext"
+  acl_shlibext="$acl_cv_shlibext"
+  acl_libname_spec="$acl_cv_libname_spec"
+  acl_library_names_spec="$acl_cv_library_names_spec"
+  acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
+  acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
+  acl_hardcode_direct="$acl_cv_hardcode_direct"
+  acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
+    # Check whether --enable-rpath was given.
+if test "${enable_rpath+set}" = set; then :
+  enableval=$enable_rpath; :
+else
+  enable_rpath=yes
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lSDL_mixer" >&5
-$as_echo_n "checking for main in -lSDL_mixer... " >&6; }
-if ${ac_cv_lib_SDL_mixer_main+:} false; then :
+
+
+
+  acl_libdirstem=lib
+  acl_libdirstem2=
+  case "$host_os" in
+    solaris*)
+                                    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64-bit host" >&5
+$as_echo_n "checking for 64-bit host... " >&6; }
+if ${gl_cv_solaris_64bit+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lSDL_mixer  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+#ifdef _LP64
+sixtyfour bits
+#endif
 
-int
-main ()
-{
-return main ();
-  ;
-  return 0;
-}
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_SDL_mixer_main=yes
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "sixtyfour bits" >/dev/null 2>&1; then :
+  gl_cv_solaris_64bit=yes
 else
-  ac_cv_lib_SDL_mixer_main=no
+  gl_cv_solaris_64bit=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SDL_mixer_main" >&5
-$as_echo "$ac_cv_lib_SDL_mixer_main" >&6; }
-if test "x$ac_cv_lib_SDL_mixer_main" = xyes; then :
-  as_fn_error $? "*** SDL_mixer library not found!" "$LINENO" 5
+rm -f conftest*
+
+
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_solaris_64bit" >&5
+$as_echo "$gl_cv_solaris_64bit" >&6; }
+      if test $gl_cv_solaris_64bit = yes; then
+        acl_libdirstem=lib/64
+        case "$host_cpu" in
+          sparc*)        acl_libdirstem2=lib/sparcv9 ;;
+          i*86 | x86_64) acl_libdirstem2=lib/amd64 ;;
+        esac
+      fi
+      ;;
+    *)
+      searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
+      if test -n "$searchpath"; then
+        acl_save_IFS="${IFS= 	}"; IFS=":"
+        for searchdir in $searchpath; do
+          if test -d "$searchdir"; then
+            case "$searchdir" in
+              */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
+              */../ | */.. )
+                # Better ignore directories of this form. They are misleading.
+                ;;
+              *) searchdir=`cd "$searchdir" && pwd`
+                 case "$searchdir" in
+                   */lib64 ) acl_libdirstem=lib64 ;;
+                 esac ;;
+            esac
+          fi
+        done
+        IFS="$acl_save_IFS"
+      fi
+      ;;
+  esac
+  test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking libguile compile flags" >&5
+$as_echo_n "checking libguile compile flags... " >&6; }
+  GUILE_CFLAGS="`$GUILE_CONFIG compile`"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUILE_CFLAGS" >&5
+$as_echo "$GUILE_CFLAGS" >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking libguile link flags" >&5
+$as_echo_n "checking libguile link flags... " >&6; }
+  GUILE_LDFLAGS="`$GUILE_CONFIG link`"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUILE_LDFLAGS" >&5
+$as_echo "$GUILE_LDFLAGS" >&6; }
+
+
+
+
+  GUILE_LIBS=
+  if test "$enable_rpath" != no; then
+    if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
+                  rpathdirs=
+      next=
+      for opt in $GUILE_LDFLAGS; do
+        if test -n "$next"; then
+          dir="$next"
+                    if test "X$dir" != "X/usr/$acl_libdirstem" \
+             && test "X$dir" != "X/usr/$acl_libdirstem2"; then
+            rpathdirs="$rpathdirs $dir"
+          fi
+          next=
+        else
+          case $opt in
+            -L) next=yes ;;
+            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
+                                  if test "X$dir" != "X/usr/$acl_libdirstem" \
+                    && test "X$dir" != "X/usr/$acl_libdirstem2"; then
+                   rpathdirs="$rpathdirs $dir"
+                 fi
+                 next= ;;
+            *) next= ;;
+          esac
+        fi
+      done
+      if test "X$rpathdirs" != "X"; then
+        if test -n """"; then
+                    for dir in $rpathdirs; do
+            GUILE_LIBS="${GUILE_LIBS}${GUILE_LIBS:+ }-R$dir"
+          done
+        else
+                    if test -n "$acl_hardcode_libdir_separator"; then
+                                    alldirs=
+            for dir in $rpathdirs; do
+              alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
+            done
+            acl_save_libdir="$libdir"
+            libdir="$alldirs"
+            eval flag=\"$acl_hardcode_libdir_flag_spec\"
+            libdir="$acl_save_libdir"
+            GUILE_LIBS="$flag"
+          else
+                        for dir in $rpathdirs; do
+              acl_save_libdir="$libdir"
+              libdir="$dir"
+              eval flag=\"$acl_hardcode_libdir_flag_spec\"
+              libdir="$acl_save_libdir"
+              GUILE_LIBS="${GUILE_LIBS}${GUILE_LIBS:+ }$flag"
+            done
+          fi
+        fi
+      fi
+    fi
+  fi
+
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lGL" >&5
-$as_echo_n "checking for main in -lGL... " >&6; }
-if ${ac_cv_lib_GL_main+:} false; then :
+  GUILE_LIBS="$GUILE_LDFLAGS $GUILE_LIBS"
+
+
+
+  GUILE_LTLIBS=
+  if test "$enable_rpath" != no; then
+    if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
+                  rpathdirs=
+      next=
+      for opt in $GUILE_LDFLAGS; do
+        if test -n "$next"; then
+          dir="$next"
+                    if test "X$dir" != "X/usr/$acl_libdirstem" \
+             && test "X$dir" != "X/usr/$acl_libdirstem2"; then
+            rpathdirs="$rpathdirs $dir"
+          fi
+          next=
+        else
+          case $opt in
+            -L) next=yes ;;
+            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
+                                  if test "X$dir" != "X/usr/$acl_libdirstem" \
+                    && test "X$dir" != "X/usr/$acl_libdirstem2"; then
+                   rpathdirs="$rpathdirs $dir"
+                 fi
+                 next= ;;
+            *) next= ;;
+          esac
+        fi
+      done
+      if test "X$rpathdirs" != "X"; then
+        if test -n ""yes""; then
+                    for dir in $rpathdirs; do
+            GUILE_LTLIBS="${GUILE_LTLIBS}${GUILE_LTLIBS:+ }-R$dir"
+          done
+        else
+                    if test -n "$acl_hardcode_libdir_separator"; then
+                                    alldirs=
+            for dir in $rpathdirs; do
+              alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
+            done
+            acl_save_libdir="$libdir"
+            libdir="$alldirs"
+            eval flag=\"$acl_hardcode_libdir_flag_spec\"
+            libdir="$acl_save_libdir"
+            GUILE_LTLIBS="$flag"
+          else
+                        for dir in $rpathdirs; do
+              acl_save_libdir="$libdir"
+              libdir="$dir"
+              eval flag=\"$acl_hardcode_libdir_flag_spec\"
+              libdir="$acl_save_libdir"
+              GUILE_LTLIBS="${GUILE_LTLIBS}${GUILE_LTLIBS:+ }$flag"
+            done
+          fi
+        fi
+      fi
+    fi
+  fi
+
+
+  GUILE_LTLIBS="$GUILE_LDFLAGS $GUILE_LTLIBS"
+
+
+
+
+
+
+
+for sdllib in SDL SDL_image SDL_gfx SDL_mixer ; do
+    as_ac_Lib=`$as_echo "ac_cv_lib_${sdllib}''_main" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -l${sdllib}" >&5
+$as_echo_n "checking for main in -l${sdllib}... " >&6; }
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lGL  $LIBS"
+LIBS="-l${sdllib}  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11514,27 +11681,33 @@ return main ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_GL_main=yes
+  eval "$as_ac_Lib=yes"
 else
-  ac_cv_lib_GL_main=no
+  eval "$as_ac_Lib=no"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_main" >&5
-$as_echo "$ac_cv_lib_GL_main" >&6; }
-if test "x$ac_cv_lib_GL_main" = xyes; then :
-  as_fn_error $? "*** GL library not found!" "$LINENO" 5
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+  SDL_LIBS="-l${sdllib} $SDL_LIBS"
+else
+  as_fn_error $? "*** ${sdllib} library not found!" "$LINENO" 5
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lGLU" >&5
-$as_echo_n "checking for main in -lGLU... " >&6; }
-if ${ac_cv_lib_GLU_main+:} false; then :
+done
+for gllib in GL GLU ; do
+    as_ac_Lib=`$as_echo "ac_cv_lib_${gllib}''_main" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -l${gllib}" >&5
+$as_echo_n "checking for main in -l${gllib}... " >&6; }
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lGLU  $LIBS"
+LIBS="-l${gllib}  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11548,20 +11721,24 @@ return main ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_GLU_main=yes
+  eval "$as_ac_Lib=yes"
 else
-  ac_cv_lib_GLU_main=no
+  eval "$as_ac_Lib=no"
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLU_main" >&5
-$as_echo "$ac_cv_lib_GLU_main" >&6; }
-if test "x$ac_cv_lib_GLU_main" = xyes; then :
-  as_fn_error $? "*** GLU library not found!" "$LINENO" 5
+eval ac_res=\$$as_ac_Lib
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
+  GL_LIBS="-l${gllib} $GL_LIBS"
+else
+  as_fn_error $? "*** ${gllib} library not found!" "$LINENO" 5
 fi
 
+done
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lftgl" >&5
 $as_echo_n "checking for main in -lftgl... " >&6; }
 if ${ac_cv_lib_ftgl_main+:} false; then :
@@ -11593,10 +11770,14 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ftgl_main" >&5
 $as_echo "$ac_cv_lib_ftgl_main" >&6; }
 if test "x$ac_cv_lib_ftgl_main" = xyes; then :
+  FTGL_LIBS="-lftgl $FTGL_LIBS"
+else
   as_fn_error $? "*** FTGL library not found!" "$LINENO" 5
 fi
 
 
+
+
 ac_config_headers="$ac_config_headers config.h"
 
 ac_config_files="$ac_config_files Makefile src/Makefile"