AC_ARG_WITH([jpeg8],
AC_HELP_STRING([--with-jpeg8], [Emulate libjpeg v8b API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
AC_MSG_CHECKING([libjpeg version number])
-if test "x${with_jpeg8}" == "xyes"; then
+if test "x${with_jpeg8}" = "xyes"; then
JPEG_LIB_VERSION=80
AC_DEFINE([JPEG_LIB_VERSION], [80], [Version 8.0])
[JPEG_LIB_VERSION="`expr $JPEG_LIB_VERSION / 10`:2"]
else
- if test "x${with_jpeg7}" == "xyes"; then
+ if test "x${with_jpeg7}" = "xyes"; then
JPEG_LIB_VERSION=70
AC_DEFINE([JPEG_LIB_VERSION], [70], [Version 7.0])
[JPEG_LIB_VERSION="`expr $JPEG_LIB_VERSION / 10`:`expr $JPEG_LIB_VERSION % 10`"]