dnsmeter/src/pplib/autoconf/jpeg.m4
Daniel Baumann 36fe29e3d5
Adding upstream version 1.0.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-04-23 13:20:07 +02:00

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dnl AC_CHECK_LIBPJPEG([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
AC_DEFUN([AC_CHECK_LIBJPEG],[
AC_MSG_CHECKING(for libjpeg)
AC_ARG_WITH([jpeg],
[ --with-jpeg[[=PATH]] Prefix where libjpeg is installed (optional)],
[jpeg_prefix="$withval"],
[jpeg_prefix=""])
if test "$jpeg_prefix" != "no"
then
AC_MSG_RESULT(yes)
am_save_CPPFLAGS="$CPPFLAGS"
am_save_CFLAGS="$CFLAGS"
am_save_LIBS="$LIBS"
am_save_LDFLAGS="$LDFLAGS"
PKG_CHECK_MODULES([JPEG], [libjpeg >= 6.0.0],
ifelse([$2], , :, [$2])
,
AC_SEARCH_LIBS( [jpeg_finish_decompress],[jpeg],
dnl echo "LIBS=$LIBS"
dnl echo "LDFLAGS=$LDFLAGS"
dnl echo "CFLAGS=$CFLAGS"
dnl echo "CPPFLAGS=$CPPFLAGS"
JPEG_LIBS="$LIBS"
JPEG_CFLAGS=""
ifelse([$2], , :, [$2])
,
ifelse([$3], , :, [$3])
:)
)
CPPFLAGS="$am_save_CPPFLAGS"
LIBS="$am_save_LIBS"
LDFLAGS="$am_save_LDFLAGS"
CFLAGS="$am_save_CFLAGS"
else
AC_MSG_RESULT(no)
ifelse([$3], , :, [$3])
fi
])