depend: assume '-c' compiler flag always means to produce object files

Rather than fully-fledged executables.  This is the case for all the
compilers of all languages supported by Automake.

This is just a simplification; no semantic changes are intended.

* bin/automake.in (handle_languages): Drop transform '%-c%'.
* lib/am/depend2.am: Adjust to just assume the '%-c%' transform
expands to "-c".

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/bin/automake.in b/bin/automake.in
index df6560d3ae8798a17ff8ed3b2ea79b7873e02f61..23fb215c4dc5f7425c2ac0e3d6de017452b30a01 100644 (file)
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -1282,7 +1282,6 @@ sub handle_languages ()
                         'FPFX'    => $fpfx,
                         'AMDEP'   => $AMDEP,
                         'FASTDEP' => $FASTDEP,
-                        '-c'      => $lang->compile_flag || '',
                         # These are not used, but they need to be defined
                         # so transform() does not complain.
                         'DERIVED-EXT' => 'BUG',

diff --git a/lib/am/depend2.am b/lib/am/depend2.am
index d3a8763fa0e33bed9beacf9c63a6e962bfde9031..99e993b000c6c7100afd73db3a633f51ea832080 100644 (file)
--- a/lib/am/depend2.am
+++ b/lib/am/depend2.am
@@ -40,8 +40,8 @@ if %FASTDEP%
 ## TODO: rewrite this to avoid extra forks once we can assume a POSIX
 ## TODO: shell.
        %VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'` \
-?!GENERIC?     && %COMPILE% -MT %OBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE% \
-?GENERIC?      && %COMPILE% -MT %OBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %OBJ% %SOURCEFLAG%%SOURCE% \
+?!GENERIC?     && %COMPILE% -MT %OBJ% -MD -MP -MF $$depbase.Tpo -c -o %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE% \
+?GENERIC?      && %COMPILE% -MT %OBJ% -MD -MP -MF $$depbase.Tpo -c -o %OBJ% %SOURCEFLAG%%SOURCE% \
        && $(am__mv) $$depbase.Tpo $$depbase.Po
 else !%FASTDEP%
 if %AMDEP%
@@ -49,10 +49,10 @@ if %AMDEP%
        DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
 endif %AMDEP%
 if %?GENERIC%
-       %VERBOSE-NODEP%%COMPILE% %-c% -o %OBJ% %SOURCEFLAG%%SOURCE%
+       %VERBOSE-NODEP%%COMPILE% -c -o %OBJ% %SOURCEFLAG%%SOURCE%
 else !%?GENERIC%
 ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
-       %VERBOSE-NODEP%%COMPILE% %-c% -o %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
+       %VERBOSE-NODEP%%COMPILE% -c -o %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
 endif !%?GENERIC%
 endif !%FASTDEP%
 
@@ -63,8 +63,8 @@ if %FASTDEP%
 ## TODO: rewrite this to avoid extra forks once we can assume a POSIX
 ## TODO: shell.
        %VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'` \
-?!GENERIC?     && %COMPILE% -MT %OBJOBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi` \
-?GENERIC?      && %COMPILE% -MT %OBJOBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'` \
+?!GENERIC?     && %COMPILE% -MT %OBJOBJ% -MD -MP -MF $$depbase.Tpo -c -o %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi` \
+?GENERIC?      && %COMPILE% -MT %OBJOBJ% -MD -MP -MF $$depbase.Tpo -c -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'` \
        && $(am__mv) $$depbase.Tpo $$depbase.Po
 else !%FASTDEP%
 if %AMDEP%
@@ -72,10 +72,10 @@ if %AMDEP%
        DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
 endif %AMDEP%
 if %?GENERIC%
-       %VERBOSE-NODEP%%COMPILE% %-c% -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'`
+       %VERBOSE-NODEP%%COMPILE% -c -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'`
 else !%?GENERIC%
 ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
-       %VERBOSE-NODEP%%COMPILE% %-c% -o %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
+       %VERBOSE-NODEP%%COMPILE% -c -o %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
 endif !%?GENERIC%
 endif !%FASTDEP%
 endif %?NONLIBTOOL%
@@ -88,16 +88,16 @@ if %FASTDEP%
 ## TODO: rewrite this to avoid extra forks once we can assume a POSIX
 ## TODO: shell.
        %VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'` \
-?!GENERIC?     && %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE% \
-?GENERIC?      && %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF $$depbase.Tpo %-c% -o %LTOBJ% %SOURCEFLAG%%SOURCE% \
+?!GENERIC?     && %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF $$depbase.Tpo -c -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE% \
+?GENERIC?      && %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF $$depbase.Tpo -c -o %LTOBJ% %SOURCEFLAG%%SOURCE% \
        && $(am__mv) $$depbase.Tpo $$depbase.Plo
 else !%FASTDEP%
 if %AMDEP%
        %VERBOSE%source='%SOURCE%' object='%LTOBJ%' libtool=yes @AMDEPBACKSLASH@
        DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
 endif %AMDEP%
-?GENERIC?      %VERBOSE-NODEP%%LTCOMPILE% %-c% -o %LTOBJ% %SOURCEFLAG%%SOURCE%
+?GENERIC?      %VERBOSE-NODEP%%LTCOMPILE% -c -o %LTOBJ% %SOURCEFLAG%%SOURCE%
 ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
-?!GENERIC?     %VERBOSE-NODEP%%LTCOMPILE% %-c% -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
+?!GENERIC?     %VERBOSE-NODEP%%LTCOMPILE% -c -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
 endif !%FASTDEP%
 endif %?LIBTOOL%