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STR 1949 - revise configure.in to cerrectly detect png_set_tRNS_to_alpha

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6504 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
pull/49/head
Ian MacArthur 17 years ago
parent
commit
f61a8993d5
  1. 7
      configure.in

7
configure.in

@ -578,7 +578,7 @@ AC_CHECK_LIB(z,gzgets,
AC_ARG_ENABLE(localpng, [ --enable-localpng use local PNG library, default=auto], AC_ARG_ENABLE(localpng, [ --enable-localpng use local PNG library, default=auto],
[if test x$enable_localpng = xyes; then [if test x$enable_localpng = xyes; then
ac_cv_lib_png_png_set_tRNS_to_alpha=no ac_cv_lib_png_png_set_tRNS_to_alpha=yes
fi]) fi])
AC_CHECK_LIB(png,png_set_tRNS_to_alpha, [ AC_CHECK_LIB(png,png_set_tRNS_to_alpha, [
@ -586,13 +586,16 @@ AC_CHECK_LIB(png,png_set_tRNS_to_alpha, [
PNG="" PNG=""
IMAGELIBS="-lpng $IMAGELIBS" IMAGELIBS="-lpng $IMAGELIBS"
AC_DEFINE(HAVE_LIBPNG) AC_DEFINE(HAVE_LIBPNG)
AC_CHECK_HEADER(png.h, AC_DEFINE(HAVE_PNG_H))],[ AC_DEFINE(HAVE_PNG_GET_VALID)
AC_DEFINE(HAVE_PNG_SET_TRNS_TO_ALPHA) AC_CHECK_HEADER(png.h, AC_DEFINE(HAVE_PNG_H))],[
if test x$enable_localpng = xno; then if test x$enable_localpng = xno; then
PNGINC="" PNGINC=""
PNG="" PNG=""
else else
AC_DEFINE(HAVE_LIBPNG) AC_DEFINE(HAVE_LIBPNG)
AC_DEFINE(HAVE_PNG_H) AC_DEFINE(HAVE_PNG_H)
AC_DEFINE(HAVE_PNG_GET_VALID)
AC_DEFINE(HAVE_PNG_SET_TRNS_TO_ALPHA)
PNGINC="-I../png" PNGINC="-I../png"
PNG="png" PNG="png"
IMAGELIBS="-lfltk_png $IMAGELIBS" IMAGELIBS="-lfltk_png $IMAGELIBS"

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