#!/bin/sh
SRCDIR=$1
shift
-HEAD=fcalias.h
-TAIL=fcaliastail.h
+HEAD=$1
+shift
+TAIL=$1
+shift
rm -f $HEAD $TAIL
echo "#if HAVE_GNUC_ATTRIBUTE" >> $TAIL
cat "$@" | grep '^Fc[^ ]* *(' | sed -e 's/ *(.*$//' |
hattr='__attribute((visibility("hidden")))'
echo "extern __typeof ($name) $alias $hattr;" >> $HEAD
echo "#define $name $alias" >> $HEAD
- grep -l -w '^'$name "$SRCDIR"/*.c | sed -e 's/^.*\/\([^.]*\)\.c/#ifdef __\1__/' >> $TAIL
- echo "#undef $name" >> $TAIL
+ ifdef=$(grep -l '^'$name'[ (]' "$SRCDIR"/*.c | sed -n 1p | sed -e 's/^.*\/\([^.]*\)\.c/__\1__/')
+ if [ -z "$ifdef" ] ; then
+ echo "error: could not locate $name in src/*.c" 1>&2
+ exit 1
+ fi
+ if [ "$ifdef" != "$last" ] ; then
+ [ -n "$last" ] && echo "#endif /* $last */" >> $TAIL
+ echo "#ifdef $ifdef" >> $TAIL
+ last=$ifdef
+ fi
+ echo "# undef $name" >> $TAIL
cattr='__attribute((alias("'$alias'"), visibility("default")))'
echo "extern __typeof ($name) $name $cattr;" >> $TAIL
- echo "#endif" >> $TAIL
;;
esac
done
-echo "#endif" >> $TAIL
+[ $? -ne 0 ] && exit 1
+echo "#endif /* $ifdef */" >> $TAIL
+echo "#endif /* HAVE_GNUC_ATTRIBUTE */" >> $TAIL