AC_CACHE_CHECK([if make is GNU make], wx_cv_prog_makeisgnu,
[
if ( ${SHELL-sh} -c "${MAKE-make} --version" 2> /dev/null |
- egrep -s GNU > /dev/null); then
+ $EGREP -s GNU > /dev/null); then
wx_cv_prog_makeisgnu="yes"
else
wx_cv_prog_makeisgnu="no"
else
dnl wxJoystick not supported by wxMGL at all
if test "$wxUSE_MGL" != "1"; then
- AC_CHECK_HEADERS(linux/joystick.h, wxUSE_JOYSTICK=yes)
+ dnl notice the dummy includes argument: without it, AC_CHECK_HEADER
+ dnl checks only whether the header can be preprocessed, not that it
+ dnl can be compiled and in Linux 2.6.16 joystick.h is present but
+ dnl can't be compiled because of an error and with the default
+ dnl AC_CHECK_HEADER semantics we'd still detect it in this case and
+ dnl build would fail later
+ AC_CHECK_HEADER(linux/joystick.h, wxUSE_JOYSTICK=yes,,[#include <stdio.h>])
fi
fi
disabled_var=DISABLED_`echo $subdir | tr [[a-z]] [[A-Z]]`;
eval "disabled=\$$disabled_var"
disabled=/`echo X $disabled | sed 's@ @/|/@g'`/
- makefiles=`(cd $srcdir ; find $subdir -name Makefile.in) | egrep -v "$disabled"`
+ makefiles=`(cd $srcdir ; find $subdir -name Makefile.in) | $EGREP -v "$disabled"`
fi
else dnl we build wxBase only
dnl don't take all samples/utils, just those which build with