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authorJim Meyering <jim@meyering.net>1997-06-16 17:50:23 +0000
committerJim Meyering <jim@meyering.net>1997-06-16 17:50:23 +0000
commit57f78890592b16d8d8febd11c5bbb8912d07600c (patch)
tree483d9a451c39f12a78d456f447b14903fde4223d /m4
parent8b4d49fc7952b2923d601c4ef8b00bf28cd22471 (diff)
downloadcoreutils-57f78890592b16d8d8febd11c5bbb8912d07600c.tar.xz
comment
Diffstat (limited to 'm4')
-rw-r--r--m4/putenv.m44
1 files changed, 4 insertions, 0 deletions
diff --git a/m4/putenv.m4 b/m4/putenv.m4
index 733a49642..0c4aebf4a 100644
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,6 +1,10 @@
#serial 1
dnl From Jim Meyering.
+dnl
+dnl Check whether putenv ("FOO") removes FOO from the environment.
+dnl The putenv in libc on at least SunOS 4.1.4 does *not* do that.
+dnl
dnl If you use this macro in a package, you should
dnl add the following two lines to acconfig.h:
dnl /* Define to rpl_putenv if the replacement function should be used. */