maint: tweak sc_tight_scope rule

* src/Makefile.am (sc_tight_scope): Remove useless quotes,
change 1>&2 to >&2, and combine a few short lines.

diff --git a/src/Makefile.am b/src/Makefile.am
index de0000d..548f5ed 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -730,21 +730,17 @@ sc_tight_scope: $(bin_PROGRAMS)
          perl -lne '/^extern (?:enum )?\S+ \**(\S*) \(/ and print $$1' \
                $$hdr;                                                  \
        ) | $(ASSORT) -u | sed 's/^/^/;s/$$/$$/' > $$t;                 \
-       nm -e *.$(OBJEXT)                                               \
-           | sed -n 's/.* T //p'                                       \
-           | sed 's/^_//'                                              \
-           | grep -Ev -f $$t &&                                        \
-         { echo 'the above functions should have static scope' 1>&2;   \
-           exit 1; } || : ;                                            \
+       nm -e *.$(OBJEXT) | sed -n 's/.* T //p'                         \
+           | sed 's/^_//' | grep -Ev -f $$t                            \
+         && { echo the above functions should have static scope >&2;   \
+              exit 1; } || : ;                                         \
        ( printf '^program_name$$\n';                                   \
          perl -lne '/^extern .*?\**(\w+);/ and print "^$$1\$$"'        \
            $$hdr *.h ) | $(ASSORT) -u > $$t;                           \
-       nm -e *.$(OBJEXT)                                               \
-           | sed -n 's/.* [BD] //p'                                    \
-           | sed 's/^_//'                                              \
-           | grep -Ev -f $$t &&                                        \
-         { echo 'the above variables should have static scope' 1>&2;   \
-           exit 1; } || :
+       nm -e *.$(OBJEXT) | sed -n 's/.* [BD] //p'                      \
+           | sed 's/^_//' | grep -Ev -f $$t                            \
+         && { echo the above variables should have static scope >&2;   \
+              exit 1; } || :
 
 # Use the just-built ./ginstall, when not cross-compiling.
 if CROSS_COMPILING