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-rw-r--r--m4/nx-macros.m418
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/nx-macros.m4 b/m4/nx-macros.m4
index 816bf4003..06217f075 100644
--- a/m4/nx-macros.m4
+++ b/m4/nx-macros.m4
@@ -303,3 +303,21 @@ rm -f conftest*])
FreeBSD=
test "$nxconf_cv_freebsd" = yes && FreeBSD=yes
]) # NX_BUILD_ON_FreeBSD
+
+AC_DEFUN([LIBJPEG_FALLBACK_CHECK],[
+AC_MSG_CHECKING([for libjpeg shared libary file and headers])
+AC_CHECK_LIB([jpeg], [jpeg_destroy_compress],
+ [have_jpeg_lib=yes], [have_jpeg_lib=no])
+AC_CHECK_HEADERS([jpeglib.h],
+ [have_jpeg_headers=yes], [have_jpeg_headers=no])
+
+if test x"$have_jpeg_lib" = "xyes" && test x"$have_jpeg_headers" = "xyes"; then
+ AC_MSG_RESULT([yes])
+ JPEG_CFLAGS=""
+ JPEG_LIBS="-ljpeg"
+else
+ AC_MSG_RESULT([no])
+ AC_MSG_FAILURE([Could not find libjpeg on your system, make sure
+the JPEG shared library and header files are installed.])
+fi
+]) # LIBJPEG_FALLBACK_CHECK