configure: disable hardware capabilities ELF section with suncc on Solaris x86

When using suncc to build, the Solaris linker will mark
an executable with each instruction set encountered by
the Solaris assembler.  As our libraries contain their own
guards for processor-specific code, instead suppress
generation of the HWCAPS ELF section on Solaris x86 only.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>

configure

@@ -2370,6 +2370,12 @@ case $target_os in
         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
         network_extralibs="-lsocket -lnsl"
         add_cppflags -D__EXTENSIONS__
+        # When using suncc to build, the Solaris linker will mark
+        # an executable with each instruction set encountered by
+        # the Solaris assembler.  As our libraries contain their own
+        # guards for processor-specific code, instead suppress
+        # generation of the HWCAPS ELF section on Solaris x86 only.
+        enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
         nm_opts='-P -g'
         ;;
     netbsd)