Remove support for the MNG file format and the bundled libmng

The MNG file format is generally abandoned, and libmng has been
unmaintained for several years.

The MNG plugin and bundled libmng has been moved to the
qtimageformats project on Gerrit.

Task-number: QTBUG-21869
Change-Id: I946432347014ffde2b72307a5f8b166ca5553602
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

1 files changed, 0 insertions, 193 deletions

diff --git a/src/3rdparty/libmng/makefiles/configure.in b/src/3rdparty/libmng/makefiles/configure.in
deleted file mode 100644
index e7cb75c006..0000000000
--- a/src/3rdparty/libmng/makefiles/configure.in
+++ /dev/null
@@ -1,193 +0,0 @@
-dnl Process this file with autoconf to produce a configure script.
-
-AC_INIT
-AC_CONFIG_SRCDIR([libmng.h])
-AC_PREREQ(2.52)
-
-dnl this call will define PACKAGE and VERSION
-dnl please use this as the primary reference for the version number
-AM_INIT_AUTOMAKE(libmng, 1.0.9)
-
-dnl pass the version string on the the makefiles
-AC_SUBST(PACKAGE)
-AC_SUBST(VERSION)
-
-dnl Checks for programs.
-AC_PROG_CC
-AC_ISC_POSIX
-AM_C_PROTOTYPES
-if test "x$U" != "x"; then
-  AC_MSG_ERROR(Compiler not ANSI compliant)
-fi
-AM_PROG_LIBTOOL
-AC_PROG_INSTALL
-
-dnl support for files >2GB
-AC_SYS_LARGEFILE
-
-dnl Check for required header files
-AC_HEADER_STDC
-
-dnl Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-
-dnl need pow and fabs
-AC_CHECK_FUNC(pow, , AC_CHECK_LIB(m, pow, LIBS="$LIBS -lm"))
-
-
-dnl what functionality we want to add (read, write, display).
-dnl all on by default. see libmng_conf.h for full descriptions
-
-dnl not building a standard shared object?
-AC_ARG_ENABLE(buildso,
-[  --disable-buildso       disable building standard shared object])
-if test "x$enable_buildso" != "xno"; then
-  AC_DEFINE(MNG_BUILD_SO)
-fi
-
-dnl we only support the full mng spec for now (no LC or VLC)
-AC_DEFINE(MNG_SUPPORT_FULL)
-
-dnl remove support in library to read images?
-AC_ARG_ENABLE(read,
-[  --disable-read          remove read support from library])
-if test "x$enable_read" != "xno"; then
-  AC_DEFINE(MNG_SUPPORT_READ)
-fi
-
-dnl remove support in library to write images?
-AC_ARG_ENABLE(write,
-[  --disable-write         remove write support from library])
-if test "x$enable_write" != "xno"; then
-  AC_DEFINE(MNG_SUPPORT_WRITE)
-fi
-
-dnl remove support in library to display images?
-AC_ARG_ENABLE(display,
-[  --disable-display       remove display support from library])
-if test "x$enable_display" != "xno"; then
-  AC_DEFINE(MNG_SUPPORT_DISPLAY)
-fi
-
-dnl remove support for 'dynamic' MNG?
-AC_ARG_ENABLE(dynamic,
-[  --disable-dynamic       remove dynamic MNG support from library])
-if test "x$enable_dynamic" != "xno"; then
-  AC_DEFINE(MNG_SUPPORT_DYNAMICMNG)
-fi
-
-dnl remove support in library to access chunks?
-AC_ARG_ENABLE(chunks,
-[  --disable-chunks        remove support for chunk access])
-if test "x$enable_chunks" != "xno"; then
-  AC_DEFINE(MNG_ACCESS_CHUNKS)
-fi
-
-dnl disable support for accessing chunks that have been previously read?
-AC_ARG_ENABLE(storechunks,
-[  --disable-storechunks   remove support for access of previous chunks])
-if test "x$enable_storechunks" != "xno"; then
-  AC_DEFINE(MNG_STORE_CHUNKS)
-fi
-
-dnl enable support for debug tracing callbacks and messages?
-AC_ARG_ENABLE(trace,
-[  --enable-trace          include support for debug tracing callbacks],[
-if test "x$enable_trace" = "xyes"; then
-  AC_DEFINE(MNG_SUPPORT_TRACE)
-  AC_DEFINE(MNG_TRACE_TELLTALE)
-fi
-])
-
-dnl verbose error text
-dnl this should always be on
-AC_DEFINE(MNG_ERROR_TELLTALE)
-
-
-dnl libz is required.
-AC_ARG_WITH(zlib,
-[  --with-zlib[=DIR]       use zlib include/library files in DIR],[
-  if test -d "$withval"; then
-    CPPFLAGS="$CPPFLAGS -I$withval/include"
-    LDFLAGS="$LDFLAGS -L$withval/lib"
-  fi
-])
-AC_CHECK_HEADER(zlib.h,
-    AC_CHECK_LIB(z, gzread, , AC_MSG_ERROR(zlib library not found)),
-    AC_MSG_ERROR(zlib header not found)
-)
-
-dnl check for jpeg library
-AC_ARG_WITH(jpeg,
-[  --with-jpeg[=DIR]       use jpeg include/library files in DIR],
-[with_jpeg=$withval],[with_jpeg=_auto])
-
-  if test "x$with_jpeg" != "xno" -a "x$with_jpeg" != "xyes" -a \
-	"x$with_jpeg" != "x_auto"; then
-    # Save in case test with directory specified fails
-    _cppflags=${CPPFLAGS}
-    _ldflags=${LDFLAGS}
-    _restore=1
-
-    CPPFLAGS="${CPPFLAGS} -I$withval/include"
-    LDFLAGS="${LDFLAGS} -L$withval/lib"
-  else
-    _restore=0
-  fi
-
-  if test "x$with_jpeg" != "xno"; then
-    AC_CHECK_HEADER(jpeglib.h,
-      AC_CHECK_LIB(jpeg, jpeg_read_header, [
-	LIBS="$LIBS -ljpeg"
-	AC_DEFINE(HAVE_LIBJPEG)
-	_restore=0
-      ],
-    	AC_MSG_WARN(jpeg library not found)),
-      AC_MSG_WARN(jpeg header not found)
-    )
-  fi
-
-  test $_restore -eq 1 && CPPFLAGS=$_cppflags LDFLAGS=$_ldflags
-
-dnl check for lcms library
-AC_ARG_WITH(lcms,
-[  --with-lcms[=DIR]       use lcms include/library files in DIR],
-[with_lcms=$withval],[with_lcms=_auto])
-
-  if test "x$with_lcms" != "xno" -a "x$with_lcms" != "xyes" -a \
-	"x$with_lcms" != "x_auto"; then
-    # Save in case test with directory specified fails
-    _cppflags=$CPPFLAGS
-    _ldflags=$LDFLAGS
-    _restore=1
-
-    CPPFLAGS="$CPPFLAGS -I$withval/include"
-    LDFLAGS="$LDFLAGS -L$withval/lib"
-  else
-    _restore=0
-  fi
-
-  if test "x$with_lcms" != "xno"; then
-    AC_CHECK_HEADER(lcms.h, [
-      have_lcms=yes
-      AC_CHECK_LIB(lcms, cmsCreateRGBProfile, [
-        LIBS="$LIBS -llcms"
-        AC_DEFINE(HAVE_LIBLCMS)
-        dnl for now this implies MNG_INCLUDE_LCMS in the headers:
-        AC_DEFINE(MNG_FULL_CMS)
-	_restore=0
-	have_lcms=yes
-      ],[
-	have_lcms=no
-      ])
-    ])
-    dnl give feedback only if the user asked specifically for lcms
-    if test "x$with_lcms" != "x_auto" -a "x$have_lcms" != "xyes"; then
-      AC_MSG_WARN([lcms not found... disabling CMS support])
-    fi
-  fi
-
-  test $_restore -eq 1 && CPPFLAGS=$_cppflags LDFLAGS=$_ldflags
-
-AC_CONFIG_FILES([Makefile])
-AC_OUTPUT