On Mon, Feb 07, 2011 at 04:21:40PM +0100, Tristan Gingold wrote: > To avoid redefinition warnings. > > Signed-off-by: Tristan Gingold <ging...@adacore.com> > --- > rules.mak | 2 +- > scripts/create_config | 12 ++++++++++++ > 2 files changed, 13 insertions(+), 1 deletions(-) > > diff --git a/rules.mak b/rules.mak > index ed59c9e..fb38f96 100644 > --- a/rules.mak > +++ b/rules.mak > @@ -57,7 +57,7 @@ find-in-path = $(if $(find-string /, $1), \ > @test -f $@ || cp $< $@ > > %.h-timestamp: %.mak > - $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " > GEN $*.h") > + $(call quiet-command, sh $(SRC_PATH)/scripts/create_config $* < $< > > $@, " GEN $*.h") > @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h > > # will delete the target of a rule if commands exit with a nonzero exit > status > diff --git a/scripts/create_config b/scripts/create_config > index 0098e68..0302eab 100755 > --- a/scripts/create_config > +++ b/scripts/create_config > @@ -1,7 +1,17 @@ > #!/bin/sh > > +if [ $# -ne 1 ]; then > + echo "Usage: $0 filename" 2>&1 > + exit 1 > +fi > + > +cond_macro=`echo $1 | tr a-z- A-Z_`_H > + > echo "/* Automatically generated by create_config - do not modify */" > > +echo "#ifndef $cond_macro" > +echo "#define $cond_macro" > + > while read line; do > > case $line in > @@ -101,3 +111,5 @@ case $line in > esac > > done # read > + > +echo "#endif /* $cond_macro */"
config-host.h only contains #define entries, and GCC doesn't choke when as long as the definitions are the same. What is the use case of this patch? -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
