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more creative use of ac_flags()

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tg 2007-01-17 16:52:00 +00:00
parent f6dbde5115
commit e19a99efaf
1 changed files with 16 additions and 17 deletions
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33
Build.sh
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@ -1,5 +1,5 @@
#!/bin/sh #!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.115 2007/01/17 16:44:19 tg Exp $ # $MirOS: src/bin/mksh/Build.sh,v 1.116 2007/01/17 16:52:00 tg Exp $
#- #-
# Environment: CC, CFLAGS, CPP, CPPFLAGS, LDFLAGS, LIBS, NOWARN, NROFF # Environment: CC, CFLAGS, CPP, CPPFLAGS, LDFLAGS, LIBS, NOWARN, NROFF
# With -x (cross compile): TARGET_OS (default: uname -s) # With -x (cross compile): TARGET_OS (default: uname -s)
@ -183,23 +183,21 @@ esac
CPPFLAGS="$CPPFLAGS -I'$curdir'" CPPFLAGS="$CPPFLAGS -I'$curdir'"
$e ${ao}Scanning for functions... please ignore any errors. $e ${ao}Scanning for functions... please ignore any errors.
ac_testn compiler_works '' 'if the compiler works' <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_COMPILER_WORKS || exit 1
test x"$NOWARN" = x"" && NOWARN=-Wno-error test x"$NOWARN" = x"" && NOWARN=-Wno-error
ac_testn can_wnoerror '' "if '$NOWARN' can be used" <<-'EOF' given_CFLAGS=$CFLAGS
int main(void) { return (0); } given_NOWARN=$NOWARN
EOF NOWARN=
test 1 = $HAVE_CAN_WNOERROR || NOWARN= ac_flags compiler_works '' 'if the compiler works'
CFLAGS=$given_CFLAGS
test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1
ac_flags wnoerror "$given_NOWARN"
CFLAGS=$given_CFLAGS
test 1 = $HAVE_CAN_WNOERROR || given_NOWARN=
ac_flags werror "-Werror"
CFLAGS=$given_CFLAGS
save_NOWARN=$NOWARN # The following tests are run with -Werror if possible
NOWARN=-Werror test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
ac_testn can_werror '' "if -Werror can be used" <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_CAN_WERROR || NOWARN=
ac_test attribute '' 'if we have __attribute__((...)) at all' <<-'EOF' ac_test attribute '' 'if we have __attribute__((...)) at all' <<-'EOF'
#include <stdlib.h> #include <stdlib.h>
@ -224,7 +222,8 @@ ac_test attribute_used attribute 0 'for __attribute__((used))' <<-'EOF'
int main(void) { return (0); } int main(void) { return (0); }
EOF EOF
NOWARN=$save_NOWARN # End of tests run with -Werror
NOWARN=$given_NOWARN
ac_testn mksh_full '' "if we're building without MKSH_SMALL" <<-'EOF' ac_testn mksh_full '' "if we're building without MKSH_SMALL" <<-'EOF'
#ifdef MKSH_SMALL #ifdef MKSH_SMALL