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Added header checks for png image library.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6510 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser 2008-11-10 18:21:38 +00:00
parent c2d5dd32b5
commit 04f6740b35
1 changed files with 2 additions and 0 deletions
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2
configure.in
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@ -601,6 +601,8 @@ else
IMAGELIBS="-lpng $IMAGELIBS"
AC_DEFINE(HAVE_LIBPNG)
AC_DEFINE(HAVE_PNG_GET_VALID)
AC_CHECK_HEADER(png.h, AC_DEFINE(HAVE_PNG_H))
AC_CHECK_HEADER(libpng/png.h, AC_DEFINE(HAVE_LIBPNG_PNG_H))
AC_CHECK_LIB(png,png_set_tRNS_to_alpha, AC_DEFINE(HAVE_PNG_SET_TRNS_TO_ALPHA))
# AC_MSG_WARN("*** USING PNG LIB SETUP")
fi