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configure: fix to make older pkg-config play well

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configure.ac:1349: error: possibly undefined macro: PKG_CONFIG_LIBDIR

Obviously this is not a problem with pkg-config 0.26 but older versions
seem to show this.

Fix suggested by: Kamil Dudka
Reported by: Guenter
Bug: http://curl.haxx.se/mail/lib-2011-11/0298.html
This commit is contained in:
Daniel Stenberg 2011-11-27 20:00:30 +01:00
parent 71ce2470dc
commit 11e52ef0a1
1 changed files with 4 additions and 0 deletions
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4
configure.ac
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@ -2377,6 +2377,10 @@ case "$LIBIDN" in
fi
if test "x$idn" != "xyes"; then
dnl to prevent errors with pkg-config < 0.26
m4_pattern_allow(PKG_CONFIG_LIBDIR)
dnl check with pkg-config
PKG_CHECK_MODULES(LIBIDN_PC, libidn >= 0.0.0, [idn=yes], [idn=no])
if test "x$idn" = "xyes"; then