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author | Alan Coopersmith <alan.coopersmith@oracle.com> | 2013-04-13 09:32:12 -0700 |
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committer | Alan Coopersmith <alan.coopersmith@oracle.com> | 2013-04-13 10:06:26 -0700 |
commit | ca84a813716f9de691dc3f60390d83af4b5ae534 (patch) | |
tree | accc0871f9b97ddbaad77a39ddec4b5226469963 /configure.ac | |
parent | 8eee1236041d46a21faba32e0d27c26985267d89 (diff) | |
download | xorg-lib-libXext-ca84a813716f9de691dc3f60390d83af4b5ae534.tar.gz |
Use _XEatDataWords to avoid overflow of rep.length bit shifting
rep.length is a CARD32, so rep.length << 2 could overflow in 32-bit builds
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 63775de..fb9888d 100644 --- a/configure.ac +++ b/configure.ac @@ -38,6 +38,12 @@ AC_SUBST(XEXT_SOREV) # Obtain compiler/linker options for depedencies PKG_CHECK_MODULES(XEXT, [xproto >= 7.0.13] [x11 >= 1.1.99.1] [xextproto >= 7.1.99]) +# Check for _XEatDataWords function that may be patched into older Xlib releases +SAVE_LIBS="$LIBS" +LIBS="$XEXT_LIBS" +AC_CHECK_FUNCS([_XEatDataWords]) +LIBS="$SAVE_LIBS" + # Allow checking code with lint, sparse, etc. XORG_WITH_LINT XORG_LINT_LIBRARY([Xext]) |