+dnl ---------------------------------------------------------------------------
+dnl Optional libraries
+dnl
+dnl --with-<lib>=sys
+dnl looks for system library and fails if not found
+dnl
+dnl --with-<lib>
+dnl --with-<lib>=yes
+dnl looks for system library and, if not found, prints a warning,
+dnl falls back to the builtin wx version, and continues configuration
+dnl
+dnl --with-<lib>=builtin
+dnl uses builtin wx version without searching for system library
+dnl
+dnl --with-<lib>=no
+dnl --without-<lib>
+dnl do not use library (neither system nor builtin wx version)
+dnl
+dnl ---------------------------------------------------------------------------
+
+dnl ------------------------------------------------------------------------
+dnl Check for regex libraries
+dnl ------------------------------------------------------------------------
+
+REGEX_INCLUDE=
+if test "$wxUSE_REGEX" != "no"; then
+ AC_DEFINE(wxUSE_REGEX)
+
+ if test "$wxUSE_REGEX" = "sys" -o "$wxUSE_REGEX" = "yes" ; then
+ dnl according to Unix 98 specs, regcomp() is in libc but I believe that
+ dnl on some old systems it may be in libregex - check for it too?
+ AC_CHECK_HEADER(regex.h, AC_CHECK_FUNCS(regcomp))
+
+ if test "x$ac_cv_func_regcomp" != "xyes"; then
+ if test "$wxUSE_REGEX" = "sys" ; then
+ AC_MSG_ERROR([system regex library not found! Use --with-regex to use built-in version])
+ else
+ AC_MSG_WARN([system regex library not found, will use built-in instead])
+ wxUSE_REGEX=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_REGEX=sys
+ fi
+ fi
+
+ if test "$wxUSE_REGEX" = "builtin" ; then
+ REGEX_INCLUDE="-I\${top_srcdir}/src/regex"
+ fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for zlib compression library
+dnl ------------------------------------------------------------------------
+
+ZLIB_INCLUDE=
+ZLIB_LINK=
+if test "$wxUSE_ZLIB" != "no" ; then
+ AC_DEFINE(wxUSE_ZLIB)
+
+ if test "$wxUSE_ZLIB" = "sys" -o "$wxUSE_ZLIB" = "yes" ; then
+ AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, deflate, ZLIB_LINK=" -lz"))
+
+ if test "x$ZLIB_LINK" = "x" ; then
+ if test "$wxUSE_ZLIB" = "sys" ; then
+ AC_MSG_ERROR([system zlib compression library not found! Use --with-zlib=builtin to use built-in version])
+ else
+ AC_MSG_WARN([system zlib compression library not found, will use built-in instead])
+ wxUSE_ZLIB=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_ZLIB=sys
+ fi
+ fi
+
+ if test "$wxUSE_ZLIB" = "builtin" ; then
+ ZLIB_INCLUDE="-I\${top_srcdir}/src/zlib"
+ fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for png library
+dnl ------------------------------------------------------------------------
+
+PNG_INCLUDE=
+PNG_LINK=
+if test "$wxUSE_LIBPNG" != "no" ; then
+ AC_DEFINE(wxUSE_LIBPNG)
+
+ dnl for the check below to have a chance to succeed, we must already have
+ dnl libz somewhere
+ if test "$wxUSE_LIBPNG" = "sys" -a "$wxUSE_ZLIB" != "sys" ; then
+ AC_MSG_WARN([system png library doesn't work without system zlib, will use built-in instead])
+ wxUSE_LIBPNG=builtin
+ fi
+
+ if test "$wxUSE_LIBPNG" = "sys" -o "$wxUSE_LIBPNG" = "yes" ; then
+ AC_CHECK_HEADER(png.h,
+ AC_CHECK_LIB(png, png_check_sig,
+ PNG_LINK=" -lpng",
+ ,
+ [-lz -lm])
+ )
+
+ if test "x$PNG_LINK" = "x" ; then
+ if test "$wxUSE_LIBPNG" = "sys" ; then
+ AC_MSG_ERROR([system png library not found! Use --with-libpng=builtin to use built-in version])
+ else
+ AC_MSG_WARN([system png library not found, will use built-in instead])
+ wxUSE_LIBPNG=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_LIBPNG=yes
+ fi
+ fi
+
+ if test "$wxUSE_LIBPNG" = "builtin" ; then
+ PNG_INCLUDE="-I\${top_srcdir}/src/png"
+ fi
+
+ SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS png"
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for jpeg library
+dnl ------------------------------------------------------------------------
+
+JPEG_INCLUDE=
+JPEG_LINK=
+if test "$wxUSE_LIBJPEG" != "no" ; then
+ AC_DEFINE(wxUSE_LIBJPEG)
+
+ if test "$wxUSE_LIBJPEG" = "sys" -o "$wxUSE_LIBJPEG" = "yes" ; then
+ dnl can't use AC_CHECK_HEADER as jconfig.h defines things like
+ dnl HAVE_STDLIB_H which are already defined and this provokes
+ dnl a compiler warning which configure considers as an error...
+ AC_MSG_CHECKING(for jpeglib.h)
+ AC_CACHE_VAL(ac_cv_header_jpeglib_h,
+ AC_TRY_COMPILE(
+ [
+ #undef HAVE_STDLIB_H
+ #include <stdio.h>
+ #include <jpeglib.h>
+ ],
+ [
+ ],
+ ac_cv_header_jpeglib_h=yes,
+ ac_cv_header_jpeglib_h=no
+ )
+ )
+ AC_MSG_RESULT($ac_cv_header_jpeglib_h)
+
+ if test "$ac_cv_header_jpeglib_h" = "yes"; then
+ AC_CHECK_LIB(jpeg, jpeg_read_header, JPEG_LINK=" -ljpeg")
+ fi
+
+ if test "x$JPEG_LINK" = "x" ; then
+ if test "$wxUSE_LIBJPEG" = "sys" ; then
+ AC_MSG_ERROR([system jpeg library not found! Use --with-libjpeg=builtin to use built-in version])
+ else
+ AC_MSG_WARN([system jpeg library not found, will use built-in instead])
+ wxUSE_LIBJPEG=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_LIBJPEG=sys
+ fi
+ fi
+
+ if test "$wxUSE_LIBJPEG" = "builtin" ; then
+ JPEG_INCLUDE="-I\${top_srcdir}/src/jpeg"
+ fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for tiff library
+dnl ------------------------------------------------------------------------
+
+TIFF_INCLUDE=
+TIFF_LINK=
+if test "$wxUSE_LIBTIFF" != "no" ; then
+ AC_DEFINE(wxUSE_LIBTIFF)
+
+ if test "$wxUSE_LIBTIFF" = "sys" -o "$wxUSE_LIBTIFF" = "yes" ; then
+ AC_CHECK_HEADER(tiffio.h,
+ AC_CHECK_LIB(tiff, TIFFError,
+ TIFF_LINK=" -ltiff",
+ ,
+ -lm)
+ )
+
+ if test "x$TIFF_LINK" = "x" ; then
+ if test "$wxUSE_LIBTIFF" = "sys" ; then
+ AC_MSG_ERROR([system tiff library not found! Use --with-libtiff=builtin to use built-in version])
+ else
+ AC_MSG_WARN([system tiff library not found, will use built-in instead])
+ wxUSE_LIBTIFF=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_LIBTIFF=sys
+ fi
+ fi
+
+ if test "$wxUSE_LIBTIFF" = "builtin" ; then
+ TIFF_INCLUDE="-I\${top_srcdir}/src/tiff"
+ fi
+fi
+
+dnl ------------------------------------------------------------------------
+dnl Check for freetype library
+dnl ------------------------------------------------------------------------
+
+FREETYPE_INCLUDE=
+FREETYPE_LINK=
+if test "$wxUSE_FREETYPE" != "no" ; then
+ AC_DEFINE(wxUSE_FREETYPE)
+
+ if test "$wxUSE_FREETYPE" = "sys" -o "$wxUSE_FREETYPE" = "yes" ; then
+ AC_CHECK_HEADER(freetype.h,
+ AC_CHECK_LIB(freetype, FT_Render_Glyph,
+ FREETYPE_LINK=" -lfreetype",
+ ,
+ [-lm])
+ )
+
+ if test "x$FREETYPE_LINK" = "x" ; then
+ if test "$wxUSE_FREETYPE" = "sys" ; then
+ AC_MSG_ERROR([system freetype library not found! Use --with-freetype=builtin to use built-in version])
+ else
+ AC_MSG_WARN([system freetype library not found, will use built-in instead])
+ wxUSE_FREETYPE=builtin
+ fi
+ else
+ dnl we are using the system library
+ wxUSE_FREETYPE=sys
+ fi
+ fi
+
+ if test "$wxUSE_FREETYPE" = "builtin" ; then
+ FREETYPE_INCLUDE="-I\${top_srcdir}/src/freetype"
+ fi
+fi
+
projects / wxWidgets.git / blobdiff