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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 7bf4e39a86..c922fabb52 100644
--- a/configure.in
+++ b/configure.in
@@ -371,7 +371,7 @@ AC_FUNC_FSEEKO
AC_CHECK_FUNCS(ftello)
AC_REPLACE_FUNCS(dup2 memmove mkdir strcasecmp strncasecmp strerror strftime\
strchr strstr strtoul crypt flock vsnprintf\
- isinf isnan finite hypot acosh)
+ isinf isnan finite hypot acosh erf)
AC_CHECK_FUNCS(fmod killpg wait4 waitpid syscall chroot fsync\
truncate chsize times utimes fcntl lockf lstat symlink readlink\
setitimer setruid seteuid setreuid setresuid setproctitle\