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configure.ac: Check for expat21 if expat is not found.

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Fixes build error on CentOS 6.9.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102052
Fixes: 5c007203b7 ("configure.ac: drop manual detection of expat header/library")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
This commit is contained in:
Vinson Lee
2017-08-05 13:31:50 -07:00
parent 2c5717a4de
commit a0ed82947c
1 changed files with 3 additions and 1 deletions
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4
configure.ac
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@@ -1814,7 +1814,9 @@ if test "x$with_dri_drivers" = xno; then
fi
# Check for expat
PKG_CHECK_MODULES([EXPAT], [expat])
PKG_CHECK_MODULES([EXPAT], [expat],,
[PKG_CHECK_MODULES([EXPAT], [expat21])]
)
dnl If $with_dri_drivers is yes, drivers will be added through
dnl platform checks. Set DEFINES and LIB_DEPS