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| author | Tay Ray Chuan <raychuan@iweb.nus.edu.sg> | 2013-01-15 12:52:08 +0800 |
|---|---|---|
| committer | Tay Ray Chuan <raychuan@iweb.nus.edu.sg> | 2013-01-16 00:47:02 +0800 |
| commit | 9ab2b3f7496c05091ad2ac31ede2e8e806b85e38 (patch) | |
| tree | eb769407cab97aacbed2f18f3833414657577b2a /configure.in | |
| parent | ca80ea61b5f0cf0e3f2e1cef756e7405e22d310b (diff) | |
| download | libevent-9ab2b3f7496c05091ad2ac31ede2e8e806b85e38.tar.gz | |
Fix missing AC_PROG_SED on older Autoconfs
For pre-2.59b Autoconfs, AC_PROG_SED is not available [1]; on such
systems, avoid calling AC_PROG_SED, while providing a sensible SED.
This aids backporting to Autoconf 2.59.
[1] http://lists.gnu.org/archive/html/autotools-announce/2004-08/msg00002.html
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/configure.in b/configure.in index a69650f6..9904bdb1 100644 --- a/configure.in +++ b/configure.in @@ -35,11 +35,16 @@ esac dnl Checks for programs. AC_PROG_CC AM_PROG_CC_C_O -AC_PROG_SED AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MKDIR_P +# AC_PROG_SED is only available in Autoconf >= 2.59b; workaround for older +# versions +ifdef([AC_PROG_SED], [AC_PROG_SED], [ +AC_CHECK_PROGS(SED, [gsed sed]) +]) + AC_PROG_GCC_TRADITIONAL # We need to test for at least gcc 2.95 here, because older versions don't |