Hi, Bill Schottstaedt <[EMAIL PROTECTED]> writes:
> My apologies if this has already been reported. > > In autoconf 2.57 in AC_CHECK_HEADER, I think the gcc -E conftest > check for header usability needs to include the default includes > from the header presence test. In my case, > > OLD_CFLAGS="$CFLAGS" > CFLAGS="-I/usr/local/include/gtkglext-1.0 > -I/usr/local/lib/gtkglext-1.0/include $GTK_CFLAGS $CFLAGS" This is the actual bug, and it's in your configure.in. Set CPPFLAGS instead. > checking gtk/gtkgl.h usability... yes > checking gtk/gtkgl.h presence... no > configure: WARNING: gtk/gtkgl.h: accepted by the compiler, rejected by the >preprocessor! > configure: WARNING: gtk/gtkgl.h: proceeding with the preprocessor's result > configure: WARNING: ## ------------------------------------ ## > configure: WARNING: ## Report this to [EMAIL PROTECTED] ## > configure: WARNING: ## ------------------------------------ ## > checking for gtk/gtkgl.h... no A red herring. GIGO ;-) But, the warning does contain a hint that the compiler and the preprocessor may be seeing things -- like search paths -- differently. - Hari -- Raja R Harinath ------------------------------ [EMAIL PROTECTED]
