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author | Eric Wong <normalperson@yhbt.net> | 2013-08-29 19:36:40 +0000 |
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committer | Eric Wong <normalperson@yhbt.net> | 2013-08-29 19:39:38 +0000 |
commit | 2b7a572ddd9bcce063e3cd10851fd953f525fe24 (patch) | |
tree | a941300a762e34a1dc9da610c164faaa2d9b6579 | |
parent | 723a81a0e25ff07c2e6dd9dbd6bf838f6bee7411 (diff) | |
download | cmogstored-2b7a572ddd9bcce063e3cd10851fd953f525fe24.tar.gz |
The variable may not be defined at all, so it must be quoted to avoid spewing a warning of dtrace/stap are not found.
-rw-r--r-- | m4/systemtap.m4 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/m4/systemtap.m4 b/m4/systemtap.m4 index 3c62f08..294cbe1 100644 --- a/m4/systemtap.m4 +++ b/m4/systemtap.m4 @@ -15,7 +15,7 @@ AS_IF([test "x$STAP" != x && test "x$DTRACE" != x && test $SDT_H_FOUND = yes], ],[], [cm_cv_sdt_h_usable=yes], [cm_cv_sdt_h_usable=no])])) -AS_IF([test $cm_cv_sdt_h_usable = yes], +AS_IF([test x"$cm_cv_sdt_h_usable" = xyes], [ENABLE_SYSTEMTAP=yes], [ENABLE_SYSTEMTAP=no]) dnl support explicit --disable-systemtap or --enable-systemtap @@ -33,7 +33,7 @@ then AS_IF([test "x${DTRACE}" = x], [AC_MSG_ERROR([dtrace not found])]) AS_IF([test $SDT_H_FOUND = no], [ AC_MSG_ERROR([systemtap support needs sys/sdt.h header]) ]) - AS_IF([test $cm_cv_sdt_h_usable = no], + AS_IF([test x"$cm_cv_sdt_h_usable" = xno], [ AC_MSG_ERROR([sys/sdt.h header is not usable (clang?)]) ]) AC_DEFINE([HAVE_SYSTEMTAP], [1], [Define to 1 if using sdt probes.]) fi |