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Diffstat (limited to 'mcon/U/d_proginvocname.U')
-rw-r--r-- | mcon/U/d_proginvocname.U | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/mcon/U/d_proginvocname.U b/mcon/U/d_proginvocname.U new file mode 100644 index 0000000..1ebd177 --- /dev/null +++ b/mcon/U/d_proginvocname.U @@ -0,0 +1,40 @@ +?RCS: +?RCS: Copyright (c) 2015 Raphael Manfredi +?RCS: +?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. +?RCS: +?MAKE:d_proginvocname: Trylink cat +?MAKE: -pick add $@ %< +?S:d_proginvocname: +?S: This variable conditionally defines the HAS_PROGRAM_INVOCATION_NAME +?S: symbol, which indicates to the C program that the two variables +?S: program_invocation_name and program_invocation_short_name are set +?S: at startup time. +?S:. +?C:HAS_PROGRAM_INVOCATION_NAME: +?C: This symbol is defined when the C startup sets the two variables +?C: program_invocation_name and program_invocation_short_name. To get +?C: these definitions, <errno.h> must be included with __USE_GNU defined. +?C:. +?H:#$d_proginvocname HAS_PROGRAM_INVOCATION_NAME +?H:. +?LINT: set d_proginvocname +: do we have the program_invocation_name variable? +$cat >try.c <<EOC +#include <stdio.h> +#define __USE_GNU +#include <errno.h> +int main(void) +{ + printf("%s\n%s\n", program_invocation_name, program_invocation_short_name); + return 0; +} +EOC +cyn="whether C startup sets program_invocation_name" +set d_proginvocname +eval $trylink + |