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Make it possible to compile without png support.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4163
This commit is contained in:
Peter Veenstra 2018-09-21 08:53:03 +00:00
parent c0d49b28e5
commit bfd322cff7
1 changed files with 11 additions and 4 deletions
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15
configure.ac
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@ -417,13 +417,20 @@ else
fi
AH_TEMPLATE(C_SSHOT,[Define to 1 to enable screenshots, requires libpng])
AC_ARG_ENABLE(screenshots,AC_HELP_STRING([--disable-screenshots],[Disable screenshots and movie recording]),,enable_screenshots=yes)
AC_CHECK_HEADER(png.h,have_png_h=yes,)
AC_CHECK_LIB(png, png_get_io_ptr, have_png_lib=yes, ,-lz)
if test x$have_png_lib = xyes -a x$have_png_h = xyes ; then
LIBS="$LIBS -lpng -lz"
AC_DEFINE(C_SSHOT,1)
AC_MSG_CHECKING([whether screenshots will be enabled])
if test x$enable_screenshots = xyes; then
if test x$have_png_lib = xyes -a x$have_png_h = xyes ; then
LIBS="$LIBS -lpng -lz"
AC_DEFINE(C_SSHOT,1)
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no, can't find libpng.])
fi
else
AC_MSG_WARN([Can't find libpng, screenshot support disabled])
AC_MSG_RESULT([no])
fi
AH_TEMPLATE(C_MODEM,[Define to 1 to enable internal modem support, requires SDL_net])