build: remove libc version suffix from build/staging directories

Our supported libcs are ABI compatible across version upgrades

Signed-off-by: Felix Fietkau <nbd@nbd.name>

rules.mk

@@ -120,10 +120,9 @@ BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
   LIBC:=$(call qstrip,$(CONFIG_LIBC))
-  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
-  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
+  DIR_SUFFIX:=_$(LIBC)$(if $(CONFIG_arm),_eabi)
   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)

scripts/remote-gdb

@@ -14,7 +14,7 @@ if( opendir SD, "$Bin/../staging_dir" )
 {
 	my ( $tid, $arch, $libc, @arches );
 
-	if( $ARGV[1] =~ m!\btarget-(.+?)_(([^/_]+libc|musl)[^/_]+)\b!i )
+	if( $ARGV[1] =~ m!\btarget-(.+?)_(([^/_]+libc|musl)[^/_]*)\b!i )
 	{
 		print("Using target $1 ($2)\n");
 		($arch, $libc) = ($1, $2);
@@ -26,7 +26,7 @@ if( opendir SD, "$Bin/../staging_dir" )
 
 		while( defined( my $e = readdir SD ) )
 		{
-			if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-(.+?)_(([^_]+libc|musl).+)/i )
+			if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-(.+?)_(([^_]+libc|musl).*)/i )
 			{
 				push @arches, [ $1, $2 ];
 				printf(" %2d) %s (%s)\n", @arches + 0, $1, $2);