| dnl ------------------------------------------------------------------ |
| dnl @synopsis AC_PATH_LIBTIFF([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) |
| dnl Process option --with-libtiff. |
| dnl Search LIBTIFF along the extra |
| dnl Define HAVE_LIBTIFF. |
| dnl Set output variable LIBTIFF_CFLAGS and LIBTIFF_LIBS |
| dnl -- inspired from previous AC_PATH_JPEG |
| dnl ------------------------------------------------------------------ |
| AC_DEFUN([AC_PATH_LIBTIFF], |
| [ |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| case $host in |
| *msdos* | *go32* | *mingw32* | *cygwin* | *windows*) |
| USING_WIN=yes |
| ;; |
| *) |
| USING_WIN=no |
| esac |
| AC_ARG_VAR(LIBTIFF_LIBS,[Tiff library to link against]) |
| AC_ARG_VAR(LIBTIFF_CFLAGS,[Compile flags needed for TIFF support]) |
| ac_libtiff=no |
| AC_ARG_WITH(libtiff, |
| AC_HELP_STRING([--with-libtiff=DIR], |
| [where the www.libtiff.org libtiff library is located]), |
| [ac_libtiff=$withval], [ac_libtiff=yes] ) |
| AC_MSG_CHECKING([for Leffler libtiff library]) |
| # Need to define TOP_SRCDIR for the cases where the LIBTIFF library |
| # is checked in with the code, at the top-level |
| TOP_SRCDIR=`cd $srcdir; pwd` |
| LOCAL_LIBTIFFDIR=$TOP_SRCDIR/libtiff |
| # First of all, deal with the case when 'cl.exe' is used as compiler |
| # indeed, when this is the case, we can only rely on finding |
| # the right library and includes, but we can't try compiling |
| # and linking. In addition, library needs to be specifically |
| # supplied on the link line and special flags are needed... |
| if test "x$CXX" = "xcl.exe" ; then |
| if test "x$ac_libtiff" = "xyes" ; then |
| # If LIBTIFF_LIBS has been set on configure command line |
| # or as environment variable, just use it if it exists |
| if test "x$LIBTIFF_LIBS" != "x" ; then |
| AC_MSG_RESULT(user specified as $LIBTIFF_LIBS) |
| if test "x$LIBTIFF_CFLAGS" = "x" ; then |
| AC_MSG_WARN(LIBTIFF_CFLAGS is empty) |
| fi |
| fi |
| # Otherwise, test if libtiff is at top level directory, under libtiff |
| if test "x$LIBTIFF_LIBS" = "x" && test -r "$LOCAL_LIBTIFFDIR/lib/libtiff.a" && test -r "$LOCAL_LIBTIFFDIR/lib/libjpeg.a" && test -r "$LOCAL_LIBTIFFDIR/lib/libz.a" ; then |
| AC_MSG_RESULT($LOCAL_LIBTIFFDIR/lib/libtiff.a) |
| LIBTIFF_LIBS="$LOCAL_LIBTIFFDIR/lib/libtiff.a $LOCAL_LIBTIFFDIR/lib/libjpeg.a $LOCAL_LIBTIFFDIR/lib/libz.a user32.lib" |
| LIBTIFF_CFLAGS="-I$LOCAL_LIBTIFFDIR/include" |
| fi |
| # Otherwise, if GnuWin32 was previously located |
| if test "x$LIBTIFF_LIBS" = "x" && test -r "$GNUWIN32_BASE/lib/libtiff.a" && test -r "$GNUWIN32_BASE/lib/libjpeg.a" && test -r "$GNUWIN32_BASE/lib/libz.a" ; then |
| AC_MSG_RESULT($GNUWIN32_BASE/lib/libtiff.a) |
| AC_MSG_WARN($GNUWIN32_BASE/lib/libtiff.a version 3.5.7 works. Some versions like 3.6.1 do not!) |
| LIBTIFF_LIBS="$GNUWIN32_BASE/lib/libtiff.a $GNUWIN32_BASE/lib/libjpeg.a $GNUWIN32_BASE/lib/libz.a user32.lib" |
| fi |
| if test "x$LIBTIFF_LIBS" = "x" ; then |
| AC_MSG_RESULT(not found or incomplete) |
| ac_libtiff=no |
| fi |
| elif test "x$ac_libtiff" != "xno" ; then |
| test x${LIBTIFF_LIBS+set} != xset && LIBTIFF_LIBS="$ac_libtiff/libtiff" |
| test x${LIBTIFF_CFLAGS+set} != xset && LIBTIFF_CFLAGS="-I$ac_libtiff" |
| fi |
| # If we are not using CL, that is we are either using gcc/cygwin |
| # or we are not running under Windows: |
| else |
| # Process specification |
| if test "x$ac_libtiff" = "xyes" ; then |
| if test "x$LIBTIFF_LIBS" = "x" ; then |
| # If local libtiff exists at top level, and we are running windows, use it first: |
| if test "x$USING_WIN" = "xyes" && test -r "$LOCAL_LIBTIFFDIR/lib/libtiff.a" && test -r "$LOCAL_LIBTIFFDIR/lib/libjpeg.a" && test -r "$LOCAL_LIBTIFFDIR/lib/libz.a" ; then |
| AC_MSG_RESULT($LOCAL_LIBTIFFDIR/lib/libtiff.a) |
| LIBTIFF_LIBS="$LOCAL_LIBTIFFDIR/lib/libtiff.a $LOCAL_LIBTIFFDIR/lib/libjpeg.a $LOCAL_LIBTIFFDIR/lib/libz.a -lole32 -luuid -lwsock32" |
| LIBTIFF_CFLAGS="-I$LOCAL_LIBTIFFDIR/include" |
| fi |
| # If GNUWIN32_BASE is defined, it means we are running under |
| # Windows and we should use these builds if available because |
| # they are the best bet |
| if test "x$LIBTIFF_LIBS" = "x" && test "x$GNUWIN32_BASE" != "x" ; then |
| # With version 3.5.7 of gnuwin32 libtiff, we do not need to link |
| # against "$GNUWIN32_BASE/lib/libgw32c.a", so no need to test |
| if test -r "$GNUWIN32_BASE/lib/libtiff.a" && test -r "$GNUWIN32_BASE/lib/libjpeg.a" && test -r "$GNUWIN32_BASE/lib/libz.a" ; then |
| AC_MSG_RESULT($GNUWIN32_BASE/lib/libtiff.a) |
| # With 3.5.7 version of libtiff, no need to add |
| # $GNUWIN32_BASE/lib/libgw32c.a after $GNUWIN32_BASE/lib/libz.a |
| LIBTIFF_LIBS="$GNUWIN32_BASE/lib/libtiff.a $GNUWIN32_BASE/lib/libjpeg.a $GNUWIN32_BASE/lib/libz.a -lole32 -luuid -lwsock32" |
| else |
| AC_MSG_RESULT([GNUWIN32 not found or incomplete. Trying something else]) |
| fi |
| fi |
| # If LIBTIFF_LIBS is still not defined after potentially going |
| # the GNUWIN32 route, then try using home built versions |
| if test "x$LIBTIFF_LIBS" = "x" ; then |
| TIFF_PACKAGE="$HOME_UNIX/packages/libtiff/libtiff" |
| if test -d "$TIFF_PACKAGE" ; then |
| LIBTIFF_LIBS="$TIFF_PACKAGE/libtiff.a" |
| LIBTIFF_CFLAGS="-I$TIFF_PACKAGE" |
| else |
| LIBTIFF_LIBS="-ltiff" |
| fi |
| fi |
| fi |
| elif test "x$ac_libtiff" != "xno" ; then |
| test "x${LIBTIFF_LIBS+set}" != "xset" && LIBTIFF_LIBS="$ac_libtiff/libtiff.a" |
| test "x${LIBTIFF_CFLAGS+set}" != "xset" && LIBTIFF_CFLAGS="-I$ac_libtiff" |
| fi |
| # Try linking - recall that -Wall is typically on, and any warning |
| # will cause this test to fail... This, by the way, is one of the |
| # reasons we cannot run this test when using the Microsoft compiler (cl), |
| # which outputs tons of "garbage" on stdout: |
| if test "x$ac_libtiff" != "xno" ; then |
| AC_MSG_CHECKING([linking with $LIBTIFF_LIBS]) |
| save_CFLAGS="$CFLAGS" |
| save_CXXFLAGS="$CXXFLAGS" |
| save_LIBS="$LIBS" |
| CFLAGS="$CFLAGS $LIBTIFF_CFLAGS" |
| CXXFLAGS="$CXXFLAGS $LIBTIFF_CFLAGS" |
| LIBS="$LIBS $LIBTIFF_LIBS -lm" |
| AC_TRY_LINK([ |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| #include <stdio.h> |
| #include <tiffio.h> |
| #ifdef __cplusplus |
| } |
| #endif ],[ |
| TIFFClose((TIFF *) 0);], |
| [ac_libtiff=ok],[ac_libtiff=no]) |
| CFLAGS="$save_CFLAGS" |
| CXXFLAGS="$save_CXXFLAGS" |
| LIBS="$save_LIBS" |
| AC_MSG_RESULT($ac_libtiff) |
| fi |
| fi |
| # Finish |
| if test "x$ac_libtiff" = "xno"; then |
| LIBTIFF_CFLAGS= ; LIBTIFF_LIBS= |
| ifelse([$2],,:,[$2]) |
| else |
| AC_DEFINE(HAVE_LIBTIFF,1,[Define if you have the www.libtiff.org LIBTIFF library.]) |
| AC_MSG_RESULT([setting LIBTIFF_CFLAGS=$LIBTIFF_CFLAGS]) |
| AC_MSG_RESULT([setting LIBTIFF_LIBS=$LIBTIFF_LIBS]) |
| CFLAGS="$LIBTIFF_CFLAGS $CFLAGS" |
| CXXFLAGS="$LIBTIFF_CFLAGS $CXXFLAGS" |
| if test "x$CXX" = "xcl.exe" ; then |
| LIBS="$LIBTIFF_LIBS $LIBS" |
| else |
| LIBS="$LIBTIFF_LIBS $LIBS -lm" |
| fi |
| ifelse([$1],,:,[$1]) |
| fi |
| AM_CONDITIONAL(HAVE_LIBTIFF, test x$ac_libtiff != xno) |
| ]) |
