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SVR4 cc doesn’t like -c -o conftest.o when conftest.o already exists:

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it errors out with “-o would overwrite conftest.o” (thanks RT for reporting)
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tg 2013-02-16 17:55:51 +00:00
parent 85d7059c48
commit 47f8a21e3c
1 changed files with 6 additions and 2 deletions
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8
Build.sh
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@ -1,5 +1,5 @@
#!/bin/sh #!/bin/sh
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.617 2013/02/16 00:21:55 tg Exp $' srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.618 2013/02/16 17:55:51 tg Exp $'
#- #-
# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012, 2013 # 2011, 2012, 2013
@ -1529,7 +1529,7 @@ else
#define EXTERN #define EXTERN
#define MKSH_INCLUDES_ONLY #define MKSH_INCLUDES_ONLY
#include "sh.h" #include "sh.h"
__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.617 2013/02/16 00:21:55 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.618 2013/02/16 17:55:51 tg Exp $");
int main(void) { printf("Hello, World!\n"); return (0); } int main(void) { printf("Hello, World!\n"); return (0); }
EOF EOF
case $cm in case $cm in
@ -1811,6 +1811,7 @@ EOF
# #
save_tcfn=$tcfn; save_CC=$CC; save_LDFLAGS=$LDFLAGS; save_LIBS=$LIBS save_tcfn=$tcfn; save_CC=$CC; save_LDFLAGS=$LDFLAGS; save_LIBS=$LIBS
tcfn=conftest.o; CC="$CC -c -o $tcfn"; LDFLAGS=; LIBS= tcfn=conftest.o; CC="$CC -c -o $tcfn"; LDFLAGS=; LIBS=
rm -f conftest.o
ac_test '!' flock_decl flock 1 'if flock() does not need to be declared' <<-'EOF' ac_test '!' flock_decl flock 1 'if flock() does not need to be declared' <<-'EOF'
#define MKSH_INCLUDES_ONLY #define MKSH_INCLUDES_ONLY
#include "sh.h" #include "sh.h"
@ -1820,17 +1821,20 @@ ac_test '!' flock_decl flock 1 'if flock() does not need to be declared' <<-'EOF
long flock(void); /* this clashes if defined before */ long flock(void); /* this clashes if defined before */
int main(void) { return ((int)flock()); } int main(void) { return ((int)flock()); }
EOF EOF
rm -f conftest.o
ac_test '!' revoke_decl revoke 1 'if revoke() does not need to be declared' <<-'EOF' ac_test '!' revoke_decl revoke 1 'if revoke() does not need to be declared' <<-'EOF'
#define MKSH_INCLUDES_ONLY #define MKSH_INCLUDES_ONLY
#include "sh.h" #include "sh.h"
long revoke(void); /* this clashes if defined before */ long revoke(void); /* this clashes if defined before */
int main(void) { return ((int)revoke()); } int main(void) { return ((int)revoke()); }
EOF EOF
rm -f conftest.o
ac_test sys_errlist_decl sys_errlist 0 "for declaration of sys_errlist[] and sys_nerr" <<-'EOF' ac_test sys_errlist_decl sys_errlist 0 "for declaration of sys_errlist[] and sys_nerr" <<-'EOF'
#define MKSH_INCLUDES_ONLY #define MKSH_INCLUDES_ONLY
#include "sh.h" #include "sh.h"
int main(void) { return (*sys_errlist[sys_nerr - 1]); } int main(void) { return (*sys_errlist[sys_nerr - 1]); }
EOF EOF
rm -f conftest.o
ac_test sys_siglist_decl sys_siglist 0 'for declaration of sys_siglist[]' <<-'EOF' ac_test sys_siglist_decl sys_siglist 0 'for declaration of sys_siglist[]' <<-'EOF'
#define MKSH_INCLUDES_ONLY #define MKSH_INCLUDES_ONLY
#include "sh.h" #include "sh.h"