All of the mentioned variables are gone. gcc is just the default and argv[1] can be used instead. /usr/include isn't hard-coded and you can pass argv[2] with -I... to adjust. Signed-off-by: Ahelenia Ziemiańska --- v2: no-change resend after clean rebase stdlib/isomac.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/stdlib/isomac.c b/stdlib/isomac.c index 3a6009d988..a371bb2593 100644 --- a/stdlib/isomac.c +++ b/stdlib/isomac.c @@ -45,14 +45,11 @@ compiler compiles some other language than Standard C. REQUIREMENTS: - This program calls gcc to get the list of defined macros. If you + This program calls ${1-gcc} to get the list of defined macros. If you don't have gcc you're probably out of luck unless your compiler or - preprocessor has something similar to gcc's -dM option. Tune - PRINT_MACROS in this case. This program assumes headers are found - under /usr/include and that there is a writable /tmp directory. - Tune SYSTEM_INCLUDE if your system differs. - #define BROKEN_SYSTEM if system(NULL) bombs -- one more violation - of ISO C, by the way. + preprocessor has something similar to gcc's -dM option. This program + assumes headers are found in the default search path (pass -I... in + $2 if this is not the case) and that there is a writable /tmp directory. OUTPUT: Each header file name is printed, followed by illegal macro names -- 2.30.2