[Poppler-bugs] [Bug 20538] New: don' t use AC_FIND_FILE rather AC_CHECK_HEADER to look for jpeg headers

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20538

           Summary: don't use AC_FIND_FILE rather AC_CHECK_HEADER to look
                    for jpeg headers
           Product: poppler
           Version: unspecified
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: mkl at pengutronix.de


Created an attachment (id=23654)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=23654)
use AC_CHECK_HEADER to find headers

The original m4/libjpeg.m4 used AC_FIND_FILE to look for jpeg header file.
This test is not cross-compiling save. This patch uses the autoconf function
AC_CHECK_HEADER to look for the jpeg header, which works in the native and
the cross compiling scenaria.


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