(../AUTHORS): New target/rule.

diff --git a/src/Makefile.am b/src/Makefile.am
index 4375b16bf3590850824f7d9777e4e49d5a71e22d..7215f42c3faf7316cf29c64e3b843b7c8bfff585 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -182,6 +182,12 @@ false.c: true.c
          $(srcdir)/true.c > $@-t
        mv $@-t $@
 
+all_programs = \
+    $(bin_PROGRAMS) \
+    $(bin_SCRIPTS) \
+  $(EXTRA_PROGRAMS) \
+  $(EXTRA_SCRIPTS)
+
 pm = progs-makefile
 pr = progs-readme
 # Ensure that the list of programs in README matches the list
@@ -190,8 +196,32 @@ check: check-README
 .PHONY: check-README
 check-README:
        rm -rf $(pr) $(pm)
-       echo $(EXTRA_PROGRAMS) $(EXTRA_SCRIPTS) $(bin_SCRIPTS) $(bin_PROGRAMS) \
+       echo $(all_programs) \
          | tr -s ' ' '\n' | sort -u > $(pm)
        sed -n '/^The programs .* are:/,/^[a-zA-Z]/p' $(top_srcdir)/README \
          | sed -n '/^   */s///p' | tr -s ' ' '\n' > $(pr)
        diff $(pm) $(pr) && rm -rf $(pr) $(pm)
+
+# Extract the list of authors from each file.
+sed_filter = s/^ *//;s/N_ (//;s/^"//;s/")*$$//
+# Sometimes the string is on the same line as the #define...
+s1 = '/^\#define AUTHORS \([^\\]\)/{;s//\1/;$(sed_filter);p;q;}'
+# Sometimes the string is on the backslash-continued line after the #define.
+s2 = '/^\#define AUTHORS \\\\/{;n;$(sed_filter);p;q;}'
+# FIXME: handle *.sh
+../AUTHORS: $(SOURCES)
+       (                                               \
+         set -e;                                       \
+         echo "Here are the names of the programs in this package,";   \
+         echo "each followed by the name(s) of its author(s).";        \
+         echo;                                         \
+         for i in $(SOURCES); do                       \
+           a=`sed -n $(s1) $$i`;                       \
+           test "$$a" && :                             \
+             || a=`sed -n $(s2) $$i`;                  \
+           if test "$$a"; then                         \
+             prog=`echo $$i|sed 's/\.c$$//'`;          \
+             echo "$$prog: $$a";                       \
+           fi;                                         \
+         done | sort -u ) > $@-t
+       mv $@-t $@