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-rw-r--r--configure.in3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 08f4ee8..b60e103 100644
--- a/configure.in
+++ b/configure.in
@@ -146,7 +146,8 @@ AC_CHECK_HEADERS(unistd.h stdarg.h)
dnl Checks for typedefs, structures, and compiler characteristics.
dnl Checks for library functions.
-AC_CHECK_FUNCS(getopt getopt_long setsid setpgid setpgrp putenv vsnprintf usleep getline)
+AC_CHECK_FUNCS(getline getopt getopt_long setenv setpgid setpgrp setsid)
+AC_CHECK_FUNCS(unsetenv usleep vsnprintf)
AC_TYPE_SIGNAL