path: root/mcon/U/d_clearenv.U
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authorManoj Srivastava <>2016-01-12 22:52:19 -0800
committerManoj Srivastava <>2016-01-12 22:52:19 -0800
commitb6522e6981f04e1ca972204cea280ed27d8924a2 (patch)
treefdd677eefa3aed99f658c178f94719e781439de9 /mcon/U/d_clearenv.U
parentff52cc133ccaff7df1b92de5f005b2d574734941 (diff)
parente6df8b40bcec77dd84e583c2cfb0152e8666210f (diff)
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+?RCS: Copyright (c) 2015 Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:d_clearenv: Trylink cat i_stdlib
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_CLEARENV
+?S: symbol, which indicates to the C program that clearenv()
+?S: is available to clear the environment.
+?C: This symbol is defined when clearenv() is there to clear the
+?C: environment.
+?H:#$d_clearenv HAS_CLEARENV
+?LINT: set d_clearenv
+: do we have clearenv?
+$cat >try.c <<EOC
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+int main(void)
+ return clearenv();
+set d_clearenv
+eval $trylink