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patch 8.0.1832: cannot use :unlet for an environment variable

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Problem:    Cannot use :unlet for an environment variable.
Solution:   Make it work.  Use unsetenv() if available. (Ken Takata,
            closes #2855)
This commit is contained in:
Bram Moolenaar
2018-05-13 15:59:50 +02:00
parent 8b62e31003
commit 137374fd65
9 changed files with 63 additions and 2 deletions
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2
src/auto/configure vendored
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@@ -12609,7 +12609,7 @@ for ac_func in fchdir fchown fchmod fsync getcwd getpseudotty \
getpgid setpgid setsid sigaltstack sigstack sigset sigsetjmp sigaction \
sigprocmask sigvec strcasecmp strerror strftime stricmp strncasecmp \
strnicmp strpbrk strtol tgetent towlower towupper iswupper \
usleep utime utimes mblen ftruncate
usleep utime utimes mblen ftruncate unsetenv
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"