X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.ac;h=1e58d02c6fbcdaf346c672fd3ea3ef3162f5511a;hb=92010f9f9483082bbf83638a49e08053f53c5daa;hp=2aa2d3eeaa27997fbe72f89074f5ab6c27151ae2;hpb=d7f51073780b35285409c6f30c86a7c9777c0400;p=flightgear.git

diff --git a/configure.ac b/configure.ac
index 2aa2d3eea..1e58d02c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,7 +91,7 @@ fi
 dnl Used by JSBSim to conditionally compile in fgfs interface code
 AC_DEFINE([FGFS], 1, [Define so that JSBSim compiles in 'library' mode])
 
-dnl Used to controll whether clouds3d should be compiled in or not
+dnl Used to control whether clouds3d should be compiled in or not
 AC_DEFINE([FG_USE_CLOUDS_3D], 1, [Define to use 3D cloud support])
 AM_CONDITIONAL(FG_USE_CLOUDS_3D, test "x" = "x")
 
@@ -106,7 +106,7 @@ case "${host}" in
 
 *-*-cygwin*)
     if test -d /usr/local ; then
-        EXTRA_DIRS="/usr/local"
+        EXTRA_DIRS="${EXTRA_DIRS} /usr/local"
     fi
     ;;
 
@@ -320,11 +320,11 @@ if test "x$ac_cv_header_plib_ul_h" != "xyes"; then
     exit
 fi
 
-AC_MSG_CHECKING([for plib 1.6.0 or newer])
+AC_MSG_CHECKING([for plib 1.7.0 or newer])
 AC_TRY_RUN([
 #include <plib/ul.h>
 
-#define MIN_PLIB_VERSION 160
+#define MIN_PLIB_VERSION 170
 
 int main() {
     int major, minor, micro;
@@ -339,7 +339,7 @@ int main() {
 ],
   AC_MSG_RESULT(yes),
   [AC_MSG_RESULT(wrong version);
-   AC_MSG_ERROR([Install plib 1.6.0 or later first...])],
+   AC_MSG_ERROR([Install plib 1.8.0 or later first...])],
   AC_MSG_RESULT(yes)
 )