This was used by --enable-omitfp, and the bulk of it was removed in this
commit:
commit
bdeba1354b7364d9b7857a048286a71ddbcdff86
Author: Ulrich Drepper <drepper@gmail.com>
Date: Sat Jan 7 11:29:31 2012 -0500
Remove --enable-omitfp support
+2016-09-20 Florian Weimer <fweimer@redhat.com>
+
+ * Makeconfig (all-object-suffixes): Remove .og.
+ * Makerules (elide-routines.og): Remove.
+ * sysdeps/i386/i686/Makefile (CFLAGS-.og, ASFLAGS-.og): Remove.
+ * sysdeps/sparc/sparc32/sparcv9/Makefile (ASFLAGS-.og): Remove.
+ * sysdeps/sparc/sparc64/Makefile (ASFLAGS-.op): Remove.
+
2016-09-20 Florian Weimer <fweimer@redhat.com>
* scripts/sysd-rules.awk (BEGIN): Only generate rtld patterns for
# The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX})
# to pass different flags for each flavor.
libtypes = $(foreach o,$(object-suffixes-for-libc),$(libtype$o))
-all-object-suffixes := .o .os .op .og .oS
+all-object-suffixes := .o .os .op .oS
object-suffixes :=
CPPFLAGS-.o = $(pic-default)
CFLAGS-.o = $(filter %frame-pointer,$(+cflags))
# static libraries.
elide-routines.o += $(shared-only-routines)
elide-routines.op += $(shared-only-routines)
-elide-routines.og += $(shared-only-routines)
\f
# Shared library building.
CFLAGS-.o += -Wa,-mtune=i686
CFLAGS-.os += -Wa,-mtune=i686
CFLAGS-.op += -Wa,-mtune=i686
-CFLAGS-.og += -Wa,-mtune=i686
CFLAGS-.oS += -Wa,-mtune=i686
ASFLAGS-.o += -Wa,-mtune=i686
ASFLAGS-.os += -Wa,-mtune=i686
ASFLAGS-.op += -Wa,-mtune=i686
-ASFLAGS-.og += -Wa,-mtune=i686
ASFLAGS-.oS += -Wa,-mtune=i686
ASFLAGS-.o += -Wa,-Av9d
ASFLAGS-.os += -Wa,-Av9d
ASFLAGS-.op += -Wa,-Av9d
-ASFLAGS-.og += -Wa,-Av9d
ASFLAGS-.oS += -Wa,-Av9d
else
ASFLAGS-.o += -Wa,-Av9a
ASFLAGS-.os += -Wa,-Av9a
ASFLAGS-.op += -Wa,-Av9a
-ASFLAGS-.og += -Wa,-Av9a
ASFLAGS-.oS += -Wa,-Av9a
endif
ASFLAGS-.o += -Wa,-Av9d
ASFLAGS-.os += -Wa,-Av9d
ASFLAGS-.op += -Wa,-Av9d
-ASFLAGS-.og += -Wa,-Av9d
ASFLAGS-.oS += -Wa,-Av9d
endif