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Fix missing gthr-default.h issue on separate libstdc++ configure
[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / src / Makefile.in
index 92322c0..7cca62a 100644 (file)
@@ -88,20 +88,22 @@ am__base_list = \
 am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
 LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
-am_libstdc___la_OBJECTS =
+@GLIBCXX_LDBL_COMPAT_TRUE@am__objects_1 = compatibility-ldbl.lo
+@ENABLE_PARALLEL_TRUE@am__objects_2 = compatibility-parallel_list.lo \
+@ENABLE_PARALLEL_TRUE@ compatibility-parallel_list-2.lo
+am__objects_3 = compatibility.lo compatibility-debug_list.lo \
+       compatibility-debug_list-2.lo compatibility-list.lo \
+       compatibility-list-2.lo $(am__objects_1) $(am__objects_2)
+am__objects_4 = compatibility-c++0x.lo compatibility-atomic-c++0x.lo \
+       compatibility-thread-c++0x.lo
+am_libstdc___la_OBJECTS = $(am__objects_3) $(am__objects_4)
 libstdc___la_OBJECTS = $(am_libstdc___la_OBJECTS)
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp =
 am__depfiles_maybe =
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-       $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-       --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
-       $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-       --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
-       $(LDFLAGS) -o $@
+CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+       $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+CXXLD = $(CXX)
 SOURCES = $(libstdc___la_SOURCES)
 RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
        html-recursive info-recursive install-data-recursive \
@@ -262,6 +264,7 @@ glibcxx_builddir = @glibcxx_builddir@
 glibcxx_localedir = @glibcxx_localedir@
 glibcxx_prefixdir = @glibcxx_prefixdir@
 glibcxx_srcdir = @glibcxx_srcdir@
+glibcxx_thread_h = @glibcxx_thread_h@
 glibcxx_toolexecdir = @glibcxx_toolexecdir@
 glibcxx_toolexeclibdir = @glibcxx_toolexeclibdir@
 gxx_include_dir = @gxx_include_dir@
@@ -289,6 +292,7 @@ port_specific_symbol_files = @port_specific_symbol_files@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+python_mod_dir = @python_mod_dir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -312,6 +316,8 @@ PWD_COMMAND = $${PWDCMD-pwd}
 STAMP = echo timestamp >
 toolexecdir = $(glibcxx_toolexecdir)
 toolexeclibdir = $(glibcxx_toolexeclibdir)
+@ENABLE_WERROR_FALSE@WERROR_FLAG = 
+@ENABLE_WERROR_TRUE@WERROR_FLAG = $(WERROR)
 
 # These bits are all figured out from configure.  Look in acinclude.m4
 # or configure.ac to see how they are set.  See GLIBCXX_EXPORT_FLAGS.
@@ -319,7 +325,7 @@ CONFIG_CXXFLAGS = \
        $(SECTION_FLAGS) $(EXTRA_CXX_FLAGS) -frandom-seed=$@
 
 WARN_CXXFLAGS = \
-       $(WARN_FLAGS) $(WERROR) -fdiagnostics-show-location=once -Wabi
+       $(WARN_FLAGS) $(WERROR_FLAG) -fdiagnostics-show-location=once 
 
 
 # -I/-D flags to pass when compiling.
@@ -328,7 +334,27 @@ SUBDIRS = c++98 c++11
 
 # Cross compiler support.
 toolexeclib_LTLIBRARIES = libstdc++.la
-libstdc___la_SOURCES = 
+@GLIBCXX_LDBL_COMPAT_FALSE@ldbl_compat_sources = 
+@GLIBCXX_LDBL_COMPAT_TRUE@ldbl_compat_sources = compatibility-ldbl.cc
+@ENABLE_PARALLEL_FALSE@parallel_compat_sources = 
+@ENABLE_PARALLEL_TRUE@parallel_compat_sources = \
+@ENABLE_PARALLEL_TRUE@ compatibility-parallel_list.cc  compatibility-parallel_list-2.cc
+
+cxx98_sources = \
+       compatibility.cc \
+       compatibility-debug_list.cc \
+       compatibility-debug_list-2.cc \
+       compatibility-list.cc \
+       compatibility-list-2.cc \
+       ${ldbl_compat_sources} \
+       ${parallel_compat_sources}
+
+cxx11_sources = \
+       compatibility-c++0x.cc \
+       compatibility-atomic-c++0x.cc \
+       compatibility-thread-c++0x.cc
+
+libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
 libstdc___la_LIBADD = \
        $(GLIBCXX_LIBS) \
        $(top_builddir)/libsupc++/libsupc++convenience.la \
@@ -346,6 +372,9 @@ libstdc___la_LDFLAGS = \
 
 libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
 
+# Use special rules for parallel mode compilation.
+PARALLEL_FLAGS = -fopenmp -D_GLIBCXX_PARALLEL -I$(glibcxx_builddir)/../libgomp
+
 # AM_CXXFLAGS needs to be in each subdirectory so that it can be
 # modified in a per-library or per-sub-library way.  Need to manually
 # set this option because CONFIG_CXXFLAGS has to be after
@@ -353,12 +382,10 @@ libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
 # as the occasion calls for it.
 AM_CXXFLAGS = \
        $(XTEMPLATE_FLAGS) \
-       $(WARN_CXXFLAGS) \
-       $(OPTIMIZE_CXXFLAGS) \
-       $(CONFIG_CXXFLAGS)
+       $(WARN_CXXFLAGS) $(OPTIMIZE_CXXFLAGS) $(CONFIG_CXXFLAGS)
 
 
-# libstdc++ libtool notes
+# Libtool notes
 
 # 1) Need to explicitly set LTCXXCOMPILE so that AM_CXXFLAGS is
 # last. (That way, things like -O2 passed down from the toplevel can
@@ -376,10 +403,11 @@ AM_CXXFLAGS = \
 # correct solution is to add `--tag CXX' to LTCXXCOMPILE and maybe
 # CXXLINK, just after $(LIBTOOL), so that libtool doesn't have to
 # attempt to infer which configuration to use
-LTCXXCOMPILE = $(LIBTOOL) --tag CXX \
-              $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile \
-              $(CXX) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
-              $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = \
+       $(LIBTOOL) --tag CXX \
+       $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+       --mode=compile $(CXX) $(INCLUDES) \
+       $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
 
 LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
 
@@ -389,26 +417,41 @@ LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
 # course is problematic at this point.  So, we get the top-level
 # directory to configure libstdc++-v3 to use gcc as the C++
 # compilation driver.
-CXXLINK = $(LIBTOOL) --tag CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link \
-         $(CXX) $(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@
+CXXLINK = \
+       $(LIBTOOL) --tag CXX \
+       $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+       --mode=link $(CXX) \
+       $(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@
 
 @ENABLE_SYMVERS_TRUE@CLEANFILES = libstdc++-symbols.ver $(version_dep)
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,-exported_symbols_list,libstdc++-symbols.explist
 @ENABLE_SYMVERS_FALSE@version_arg = 
 @ENABLE_SYMVERS_GNU_NAMESPACE_TRUE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,--version-script=libstdc++-symbols.ver
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_FALSE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,--version-script=libstdc++-symbols.ver
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_TRUE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,--version-script,libstdc++-symbols.ver-sol2
+@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,--version-script=libstdc++-symbols.ver
 @ENABLE_SYMVERS_SUN_TRUE@@ENABLE_SYMVERS_TRUE@version_arg = -Wl,-M,libstdc++-symbols.ver-sun
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.explist
 @ENABLE_SYMVERS_FALSE@version_dep = 
 @ENABLE_SYMVERS_GNU_NAMESPACE_TRUE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.ver
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_FALSE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.ver
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_TRUE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.ver-sol2
+@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.ver
 @ENABLE_SYMVERS_SUN_TRUE@@ENABLE_SYMVERS_TRUE@version_dep = libstdc++-symbols.ver-sun
-debugdir = debug
+@GLIBCXX_BUILD_DEBUG_FALSE@STAMP_DEBUG = 
+
+# Added rules.
+# 1 debug library
+# 2 supra-convenience library
+@GLIBCXX_BUILD_DEBUG_TRUE@STAMP_DEBUG = build-debug
+@GLIBCXX_BUILD_DEBUG_FALSE@STAMP_INSTALL_DEBUG = 
+@GLIBCXX_BUILD_DEBUG_TRUE@STAMP_INSTALL_DEBUG = install-debug
+@GLIBCXX_BUILD_DEBUG_FALSE@CLEAN_DEBUG = 
+@GLIBCXX_BUILD_DEBUG_TRUE@CLEAN_DEBUG = debug
+
+# Build a debug variant.
+# Take care to fix all possibly-relative paths.
+debugdir = ${glibcxx_builddir}/src/debug
 all: all-recursive
 
 .SUFFIXES:
+.SUFFIXES: .cc .lo .o .obj
 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/fragment.am $(am__configure_deps)
        @for dep in $?; do \
          case '$(am__configure_deps)' in \
@@ -479,6 +522,15 @@ mostlyclean-compile:
 distclean-compile:
        -rm -f *.tab.c
 
+.cc.o:
+       $(CXXCOMPILE) -c -o $@ $<
+
+.cc.obj:
+       $(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.cc.lo:
+       $(LTCXXCOMPILE) -c -o $@ $<
+
 mostlyclean-libtool:
        -rm -f *.lo
 
@@ -655,8 +707,8 @@ maintainer-clean-generic:
        @echo "it deletes files that may require special tools to rebuild."
 clean: clean-recursive
 
-clean-am: clean-generic clean-libtool clean-toolexeclibLTLIBRARIES \
-       mostlyclean-am
+clean-am: clean-generic clean-libtool clean-local \
+       clean-toolexeclibLTLIBRARIES mostlyclean-am
 
 distclean: distclean-recursive
        -rm -f Makefile
@@ -727,7 +779,7 @@ uninstall-am: uninstall-toolexeclibLTLIBRARIES
 
 .PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
        all all-am all-local check check-am clean clean-generic \
-       clean-libtool clean-toolexeclibLTLIBRARIES ctags \
+       clean-libtool clean-local clean-toolexeclibLTLIBRARIES ctags \
        ctags-recursive distclean distclean-compile distclean-generic \
        distclean-libtool distclean-tags dvi dvi-am html html-am info \
        info-am install install-am install-data install-data-am \
@@ -743,28 +795,60 @@ uninstall-am: uninstall-toolexeclibLTLIBRARIES
        uninstall-toolexeclibLTLIBRARIES
 
 
-vpath % $(top_srcdir)/src
-vpath % $(top_srcdir)
+vpath % $(top_srcdir)/src/c++98
+vpath % $(top_srcdir)/src/c++11
+compatibility-parallel_list.lo: compatibility-parallel_list.cc
+       $(LTCXXCOMPILE) -c $<
+compatibility-parallel_list.o: compatibility-parallel_list.cc
+       $(CXXCOMPILE) -c $<
+
+compatibility-parallel_list-2.lo: compatibility-parallel_list-2.cc
+       $(LTCXXCOMPILE) -c $<
+compatibility-parallel_list-2.o: compatibility-parallel_list-2.cc
+       $(CXXCOMPILE) -c $<
+
+# Use special rules for compatibility-ldbl.cc compilation, as we need to
+# pass -mlong-double-64.
+@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.lo: compatibility-ldbl.cc
+@GLIBCXX_LDBL_COMPAT_TRUE@     $(LTCXXCOMPILE) -mlong-double-64 -c $<
+@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.o: compatibility-ldbl.cc
+@GLIBCXX_LDBL_COMPAT_TRUE@     $(CXXCOMPILE) -mlong-double-64 -c $<
+
+# Use special rules for C++11 files/objects.
+compatibility-c++0x.lo: compatibility-c++0x.cc
+       $(LTCXXCOMPILE) -std=gnu++11 -c $<
+compatibility-c++0x.o: compatibility-c++0x.cc
+       $(CXXCOMPILE) -std=gnu++11 -c $<
+
+compatibility-atomic-c++0x.lo: compatibility-atomic-c++0x.cc
+       $(LTCXXCOMPILE) -std=gnu++11 -c $<
+compatibility-atomic-c++0x.o: compatibility-atomic-c++0x.cc
+       $(CXXCOMPILE) -std=gnu++11 -c $<
+
+compatibility-thread-c++0x.lo: compatibility-thread-c++0x.cc
+       $(LTCXXCOMPILE) -std=gnu++11 -c $<
+compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
+       $(CXXCOMPILE) -std=gnu++11 -c $<
 
 # Symbol versioning for shared libraries.
 @ENABLE_SYMVERS_TRUE@libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
 @ENABLE_SYMVERS_TRUE@          $(port_specific_symbol_files)
-@ENABLE_SYMVERS_TRUE@  cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
-@ENABLE_SYMVERS_TRUE@  chmod +w ./libstdc++-symbols.ver
+@ENABLE_SYMVERS_TRUE@  cp ${glibcxx_srcdir}/$(SYMVER_FILE) $@.tmp
+@ENABLE_SYMVERS_TRUE@  chmod +w $@.tmp
 @ENABLE_SYMVERS_TRUE@  if test "x$(port_specific_symbol_files)" != x; then \
 @ENABLE_SYMVERS_TRUE@    if grep '^# Appended to version file.' \
 @ENABLE_SYMVERS_TRUE@         $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \
-@ENABLE_SYMVERS_TRUE@      cat $(port_specific_symbol_files) >> $@; \
+@ENABLE_SYMVERS_TRUE@      cat $(port_specific_symbol_files) >> $@.tmp; \
 @ENABLE_SYMVERS_TRUE@    else \
-@ENABLE_SYMVERS_TRUE@      sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
-@ENABLE_SYMVERS_TRUE@      sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-@ENABLE_SYMVERS_TRUE@      cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
+@ENABLE_SYMVERS_TRUE@      sed -n '1,/DO NOT DELETE/p' $@.tmp > tmp.top; \
+@ENABLE_SYMVERS_TRUE@      sed -n '/DO NOT DELETE/,$$p' $@.tmp > tmp.bottom; \
+@ENABLE_SYMVERS_TRUE@      cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@.tmp; \
 @ENABLE_SYMVERS_TRUE@      rm tmp.top tmp.bottom; \
 @ENABLE_SYMVERS_TRUE@    fi; \
 @ENABLE_SYMVERS_TRUE@  fi
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_TRUE@@ENABLE_SYMVERS_TRUE@libstdc++-symbols.ver-sol2 : libstdc++-symbols.ver
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_TRUE@@ENABLE_SYMVERS_TRUE@       sed -e '/^#ifdef HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT/,/^#endif/d' $< \
-@ENABLE_SYMVERS_GNU_TRUE@@ENABLE_SYMVERS_SOL2_TRUE@@ENABLE_SYMVERS_TRUE@        > $@ || (rm -f $@ ; exit 1)
+@ENABLE_SYMVERS_TRUE@  $(EGREP) -v '^[         ]*#(#| |$$)' $@.tmp | \
+@ENABLE_SYMVERS_TRUE@    $(CC) -E -P -include ../config.h - > $@ || (rm -f $@ ; exit 1)
+@ENABLE_SYMVERS_TRUE@  rm -f $@.tmp
 @ENABLE_SYMVERS_SUN_TRUE@@ENABLE_SYMVERS_TRUE@libstdc++-symbols.ver-sun : libstdc++-symbols.ver \
 @ENABLE_SYMVERS_SUN_TRUE@@ENABLE_SYMVERS_TRUE@         $(toplevel_srcdir)/contrib/make_sunver.pl \
 @ENABLE_SYMVERS_SUN_TRUE@@ENABLE_SYMVERS_TRUE@         $(libstdc___la_OBJECTS) $(libstdc___la_LIBADD)
@@ -785,28 +869,27 @@ vpath % $(top_srcdir)
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@          sed 's,/\([^/.]*\)\.la,/.libs/\1.a,g'` \
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@       > $@ || (rm -f $@ ; exit 1)
 
-# Added rules.
-# 1 debug library
-# 2 supra-convenience library
-@GLIBCXX_BUILD_DEBUG_TRUE@all-local: libstdc++convenience.la build_debug
-@GLIBCXX_BUILD_DEBUG_TRUE@install-data-local: install_debug
-@GLIBCXX_BUILD_DEBUG_FALSE@all-local: libstdc++convenience.la
-@GLIBCXX_BUILD_DEBUG_FALSE@install-data-local:
+# Control additional build primary rules.
+all-once: libstdc++convenience.la $(STAMP_DEBUG)
+install-data-once: $(STAMP_INSTALL_DEBUG)
+
+all-local: all-once
+install-data-local: install-data-once
+clean-local:
+       rm -rf libstdc++convenience.la stamp* $(CLEAN_DEBUG)
 
 # Make a non-installed convenience library, so that --disable-static
 # may work.
 libstdc++convenience.la: $(toolexeclib_LTLIBRARIES)
        $(CXXLINK) $(libstdc___la_LIBADD) $(LIBS); \
        if test ! -f .libs/libstdc++.a; then \
-         $(LN_S) .libs/libstdc++convenience.a .libs/libstdc++.a; \
-         stamp-libstdc++convenience; \
-       fi;
-
-# Build a set of debug objects here.
-# Take care to fix all possibly-relative paths.
+         cp .libs/libstdc++convenience.a .libs/libstdc++.a; \
+       fi; \
+       echo `date` > stamp-libstdc++convenience;
 stamp-debug:
        if test ! -d ${debugdir}; then \
          mkdir -p ${debugdir}; \
+         for d in $(SUBDIRS); do mkdir -p  ${debugdir}/$$d; done; \
          (cd ${debugdir}; \
          sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
              -e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
@@ -814,19 +897,33 @@ stamp-debug:
              -e 's/VPATH = \.\./VPATH = ..\/../' \
              -e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
              -e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
-             -e 's/all-local: build_debug/all-local:/' \
-             -e 's/install-data-local: install_debug/install-data-local:/' \
-         < ../Makefile > Makefile) ; \
+         < ../Makefile > Makefile ; \
+         for d in . $(SUBDIRS); do \
+         sed -e 's/top_builddir = \.\./top_builddir = ..\/../' \
+             -e 's/top_build_prefix = \.\./top_build_prefix = ..\/../' \
+             -e 's/srcdir = \.\./srcdir = ..\/../' \
+             -e 's/VPATH = \.\./VPATH = ..\/../' \
+             -e 's/glibcxx_basedir = \.\./glibcxx_basedir = ..\/../' \
+             -e 's/MKDIR_P = \.\./MKDIR_P = ..\/../' \
+         < ../$$d/Makefile > $$d/Makefile ; \
+         done) ; \
        fi; \
        echo `date` > stamp-debug;
 
-build_debug: stamp-debug
-       (cd ${debugdir} && $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' all)
-
-# Install debug library here.
-install_debug:
-       (cd ${debugdir} && $(MAKE) \
-       toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install)
+build-debug: stamp-debug
+         (cd ${debugdir}; \
+         mv Makefile Makefile.tmp; \
+         sed -e 's,all-local: all-once,all-local:,' \
+             -e 's,install-data-local: install-data-once,install-data-local:,' \
+             -e '/vpath/!s,src/c,src/debug/c,' \
+         < Makefile.tmp > Makefile ; \
+         $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
+         toolexeclibdir=$(glibcxx_toolexeclibdir)/debug all) ;
+
+# Install debug library.
+install-debug: build-debug
+       (cd ${debugdir} && $(MAKE) CXXFLAGS='$(DEBUG_FLAGS)' \
+       toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install) ;
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.