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add a way to detect varying C libraries or other stuff “extra type” 

(for now klibc) alongside “compiler type”

if klibc, add -DMKSH_NO_LIMITS automatically
This commit is contained in:
tg 2012-05-17 19:14:07 +00:00
parent d05c7c4867
commit 6b2aa91ddd
1 changed files with 25 additions and 4 deletions
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29
Build.sh
View File

@ -1,5 +1,5 @@
#!/bin/sh
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.568 2012/05/17 18:54:28 tg Exp $'
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.569 2012/05/17 19:14:07 tg Exp $'
#-
# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012
@ -822,9 +822,18 @@ ct="lcc"
ct="unknown"
#endif
;
const char *
#if defined(__KLIBC__)
et="klibc"
#else
et="unknown"
#endif
;
EOF
ct=untested
vv ']' "$CPP $CFLAGS $CPPFLAGS $NOWARN conftest.c | sed -n '/^ct *= */s//ct=/p' | tr -d \\\\015 >x"
et=untested
vv ']' "$CPP $CFLAGS $CPPFLAGS $NOWARN conftest.c | \
sed -n '/^[ce]t *= */s/\([ce]t\) *= */\1=/p' | tr -d \\\\015 >x"
sed 's/^/[ /' x
eval `cat x`
rmf x vv.out
@ -976,7 +985,19 @@ dragonegg|llvm)
vv '|' "llc -version"
;;
esac
$e "$bi==> which compiler seems to be used...$ao $ui$ct$ao"
case $et in
klibc)
add_cppflags -DMKSH_NO_LIMITS
;;
unknown)
# nothing special detected, don’t worry
unset et
;;
*)
# huh?
;;
esac
$e "$bi==> which compiler seems to be used...$ao $ui$ct${et+ on $et}$ao"
rmf conftest.c conftest.o conftest a.out* a.exe* vv.out
#
@ -1431,7 +1452,7 @@ else
#define EXTERN
#define MKSH_INCLUDES_ONLY
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.568 2012/05/17 18:54:28 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.569 2012/05/17 19:14:07 tg Exp $");
int main(void) { printf("Hello, World!\n"); return (0); }
EOF
case $cm in