Merge pull request #533 from stilor/gdb-7.12

Gdb 7.12

config/binutils/binutils.in

@@ -37,7 +37,7 @@ endif # BINUTILS_CUSTOM
 
 if ! BINUTILS_CUSTOM
 
-config CC_BINUTILS_SHOW_LINARO
+config BINUTILS_SHOW_LINARO
     bool
     prompt "Show Linaro versions"
     help
@@ -79,13 +79,13 @@ config BINUTILS_LINARO_V_2_25
     bool
     prompt "linaro-2.25.0-2015.01-2"
     select BINUTILS_2_25_or_later
-    depends on CC_BINUTILS_SHOW_LINARO
+    depends on BINUTILS_SHOW_LINARO
 
 config BINUTILS_LINARO_V_2_24
     bool
     prompt "linaro-2.24.0-2014.11-2"
     select BINUTILS_2_24_or_later
-    depends on CC_BINUTILS_SHOW_LINARO
+    depends on BINUTILS_SHOW_LINARO
 
 config BINUTILS_V_2_24
     bool
@@ -96,7 +96,7 @@ config BINUTILS_LINARO_V_2_23_2
     bool
     prompt "linaro-2.23.2-2013.10-4"
     select BINUTILS_2_23_2_or_later
-    depends on CC_BINUTILS_SHOW_LINARO
+    depends on BINUTILS_SHOW_LINARO
 
 config BINUTILS_V_2_23_2
     bool

config/debug/gdb.in

@@ -6,15 +6,13 @@ source "config/debug/gdb.in.cross"
 source "config/debug/gdb.in.native"
 source "config/debug/gdb.in.gdbserver"
 
-if GDB_CROSS || GDB_NATIVE || GDB_GDBSERVER
-
 comment "gdb version"
 
 config GDB_CUSTOM
     bool
     prompt "Custom gdb"
     depends on EXPERIMENTAL
-    select GDB_7_2_or_later
+    select GDB_7_12_or_later
     help
       The choosen gdb version shall be not downloaded. Instead use
       a custom location to get the source.
@@ -48,6 +46,7 @@ if ! GDB_CUSTOM
 config DEBUG_GDB_SHOW_LINARO
     bool
     prompt "Show Linaro versions"
+    depends on OBSOLETE
     help
       Linaro is maintaining some advanced/more stable/experimental versions
       of gdb, especially for the ARM architecture.
@@ -68,6 +67,11 @@ choice
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
+config GDB_V_7_12
+    bool
+    prompt "7.12"
+    select GDB_7_12_or_later
+
 config GDB_V_7_11
     bool
     prompt "7.11"
@@ -81,60 +85,71 @@ config GDB_V_7_10_1
 config GDB_V_7_10
     bool
     prompt "7.10"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_9_1
     bool
     prompt "7.9.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_9
     bool
     prompt "7.9"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_8
     bool
     prompt "linaro-7.8-2014.09"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_8_2
     bool
     prompt "7.8.2"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 
 config GDB_V_7_8_1
     bool
     prompt "7.8.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_8
     bool
     prompt "7.8"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_7_1
     bool
     prompt "linaro-7.7.1-2014.06"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_7_1
     bool
     prompt "7.7.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_7
     bool
     prompt "linaro-7.7-2014.05"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_7
     bool
     prompt "7.7"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_6
@@ -146,79 +161,97 @@ config GDB_V_linaro_7_6
 config GDB_V_7_6_1
     bool
     prompt "7.6.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_5
     bool
     prompt "linaro-7.5-2012.12"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_5_1
     bool
     prompt "7.5.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_4
     bool
     prompt "linaro-7.4-2012.06"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_4_1
     bool
     prompt "7.4.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_4
     bool
     prompt "7.4"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_linaro_7_3
     bool
     prompt "linaro-7.3-2011.12"
     depends on DEBUG_GDB_SHOW_LINARO
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_3_1
     bool
     prompt "7.3.1"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_3a
     bool
     prompt "7.3a"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_2a
     bool
     prompt "7.2a"
+    depends on OBSOLETE
     select GDB_7_2_or_later
 
 config GDB_V_7_1a
     bool
     prompt "7.1a"
+    depends on OBSOLETE
     select GDB_7_0_or_later
 
 config GDB_V_7_0_1a
     bool
     prompt "7.0.1a"
+    depends on OBSOLETE
     select GDB_7_0_or_later
 
 config GDB_V_7_0a
     bool
     prompt "7.0a"
+    depends on OBSOLETE
     select GDB_7_0_or_later
 
 config GDB_V_6_8a
     bool
+    depends on OBSOLETE
     prompt "6.8a"
 
 endchoice
 
 endif # ! GDB_CUSTOM
 
+config GDB_7_12_or_later
+    bool
+    select GDB_7_2_or_later
+
 config GDB_7_2_or_later
     bool
     select GDB_7_0_or_later
@@ -244,6 +277,7 @@ config GDB_VERSION
     string
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
+    default "7.12" if GDB_V_7_12
     default "7.11" if GDB_V_7_11
     default "7.10.1" if GDB_V_7_10_1
     default "7.10" if GDB_V_7_10
@@ -274,6 +308,3 @@ config GDB_VERSION
     default "6.8a" if GDB_V_6_8a
 
 endif # ! GDB_CUSTOM
-
-endif # GDB_CROSS || GDB_NATIVE || GDB_GDBSERVER
-

config/debug/gdb.in.native

@@ -5,6 +5,7 @@ config GDB_NATIVE
     prompt "Native gdb"
     depends on ! BARE_METAL
     depends on ! BACKEND
+    depends on CC_LANG_CXX || !GDB_7_12_or_later
     select EXPAT_TARGET
     select NCURSES_TARGET
     help

patches/gdb/7.12/100-musl_fix.patch

@@ -0,0 +1,28 @@
+--- a/gdb/linux-nat.c
++++ b/gdb/linux-nat.c
+@@ -17,6 +17,7 @@
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+ 
++#include "stopcode.h"
+ #include "defs.h"
+ #include "inferior.h"
+ #include "infrun.h"
+@@ -73,6 +74,10 @@
+ #define SPUFS_MAGIC 0x23c9b64e
+ #endif
+ 
++#ifndef __SIGRTMIN
++#define __SIGRTMIN SIGRTMIN
++#endif
++
+ /* This comment documents high-level logic of this file.
+ 
+ Waiting for events in sync mode
+--- /dev/null
++++ b/gdb/stopcode.h
+@@ -0,0 +1,4 @@
++#ifndef W_STOPCODE
++#define W_STOPCODE(sig) ((sig) << 8 | 0x7f)
++#endif
++

patches/gdb/7.12/101-uclibc-no-gettimeofday-clobber.patch

@@ -0,0 +1,30 @@
+Improve gnulib in gdb's guess work, gettimeofday() works in uClibcm promise.
+
+This patch helps building x86_64-unknown-linux-uclibc toolchains, the final
+gdb-native step otherwise fails when linking the libinproctrace.so
+
+Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
+Signed-off-by: Alexey Neyman <stilor@att.net>
+
+diff -urpN gdb-7.12.orig/gdb/gnulib/configure gdb-7.12/gdb/gnulib/configure
+--- gdb-7.12.orig/gdb/gnulib/configure	2017-01-13 13:42:11.773027566 -0800
++++ gdb-7.12/gdb/gnulib/configure	2017-01-13 13:44:32.518082618 -0800
+@@ -13522,6 +13522,7 @@ else
+       case "$host_os" in
+                 # Guess all is fine on glibc systems.
+         *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
++        *-uclibc*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
+                 # If we don't know, assume the worst.
+         *)      gl_cv_func_gettimeofday_clobber="guessing yes" ;;
+       esac
+diff -urpN gdb-7.12.orig/gdb/gnulib/import/m4/gettimeofday.m4 gdb-7.12/gdb/gnulib/import/m4/gettimeofday.m4
+--- gdb-7.12.orig/gdb/gnulib/import/m4/gettimeofday.m4	2017-01-13 13:42:11.777027595 -0800
++++ gdb-7.12/gdb/gnulib/import/m4/gettimeofday.m4	2017-01-13 13:43:55.781797640 -0800
+@@ -111,6 +111,7 @@ AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER],
+       case "$host_os" in
+                 # Guess all is fine on glibc systems.
+         *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
++        *-uclibc*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
+                 # If we don't know, assume the worst.
+         *)      gl_cv_func_gettimeofday_clobber="guessing yes" ;;
+       esac

patches/gdb/7.12/111-xtensa-make-sure-ar_base-is-initialized.patch

@@ -0,0 +1,35 @@
+From 208ea73d38c9c16cf983b6419f58050dbadcb6a9 Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Sun, 7 Jun 2015 22:43:49 +0300
+Subject: [PATCH 2/2] xtensa: make sure ar_base is initialized
+
+ar_base is uninitialized for cores w/o windowed registers as their
+regmap doesn't have register 0x0100.
+Check that ar_base is initialized and if not initialize it with a0_base.
+
+gdb/
+	* xtensa-tdep.c (xtensa_derive_tdep): Make sure ar_base is
+	initialized.
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+---
+ gdb/xtensa-tdep.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c
+index 55e7d98..41f5ec1 100644
+--- a/gdb/xtensa-tdep.c
++++ b/gdb/xtensa-tdep.c
+@@ -3175,6 +3175,9 @@ xtensa_derive_tdep (struct gdbarch_tdep *tdep)
+ 	tdep->num_regs = n;
+     }
+ 
++  if (tdep->ar_base == -1)
++    tdep->ar_base = tdep->a0_base;
++
+   /* Number of pseudo registers.  */
+   tdep->num_pseudo_regs = n - tdep->num_regs;
+ 
+-- 
+1.8.1.4
+

patches/gdb/7.12/112-WIP-end-of-prologue-detection-hack.patch

@@ -0,0 +1,31 @@
+From 7f8eacbb468575fb67db7fd1155a3aedaa91911b Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Sun, 7 Jun 2015 23:15:39 +0300
+Subject: [PATCH] WIP: *end of prologue* detection hack
+
+see
+  http://www.esp8266.com/viewtopic.php?p=18461#p18461
+  http://www.esp8266.com/viewtopic.php?p=19026#p19026
+  http://www.esp8266.com/viewtopic.php?p=19683#p19683
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+---
+ gdb/xtensa-tdep.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c
+index 41f5ec1..6a7dba7 100644
+--- a/gdb/xtensa-tdep.c
++++ b/gdb/xtensa-tdep.c
+@@ -2410,7 +2410,7 @@ call0_analyze_prologue (struct gdbarch *gdbarch,
+   /* Find out, if we have an information about the prologue from DWARF.  */
+   prologue_sal = find_pc_line (start, 0);
+   if (prologue_sal.line != 0) /* Found debug info.  */
+-    body_pc = prologue_sal.end;
++    body_pc = prologue_sal.end + 40;
+ 
+   /* If we are going to analyze the prologue in general without knowing about
+      the current PC, make the best assumtion for the end of the prologue.  */
+-- 
+1.8.1.4
+

scripts/addToolVersion.sh

@@ -158,6 +158,7 @@ addToolVersion() {
         gdb)
             # gdb-7.0 and above have special handling
             ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
             if [ ${ver_M} -ge 7 ]; then
                 if [ ${ver_m} -ge 2 ]; then
                     SedExpr1="${SedExpr1}\n    select GDB_7_2_or_later"

scripts/build/arch/x86.sh

@@ -166,7 +166,7 @@ CT_DoArchUClibcHeaderDir() {
     # If it is non-default multilib, add a suffix with architecture (reported by gcc)
     # to the headers installation path.
     if [ -n "${cflags}" ]; then
-        eval "${dir_var}="$( ${CT_TARGET}-gcc -print-multiarch ${cflags} )
+        eval "${dir_var}="$( ${CT_TARGET}-${CT_CC} -print-multiarch ${cflags} )
     fi
 }
 
@@ -177,6 +177,6 @@ CT_DoArchMUSLHeaderDir() {
     # If it is non-default multilib, add a suffix with architecture (reported by gcc)
     # to the headers installation path.
     if [ -n "${cflags}" ]; then
-        eval "${dir_var}="$( ${CT_TARGET}-gcc -print-multiarch ${cflags} )
+        eval "${dir_var}="$( ${CT_TARGET}-${CT_CC} -print-multiarch ${cflags} )
     fi
 }

scripts/build/cc/100-gcc.sh

@@ -168,7 +168,7 @@ cc_gcc_multilib_housekeeping() {
             "directly; will use build-compiler for housekeeping."
         # Since we cannot run the desired compiler, substitute build-CC with the assumption
         # that the host-CC is configured in the same way.
-        cc="${CT_BUILDTOOLS_PREFIX_DIR}/bin/${CT_TARGET}-gcc"
+        cc="${CT_BUILDTOOLS_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}"
     fi
 
     # sed: prepend dashes or do nothing if default is empty string
@@ -646,7 +646,7 @@ do_gcc_core_backend() {
         if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
             repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
                        CXX_FOR_BUILD=${CT_BUILD}-g++ \
-                       GCC_FOR_TARGET=${CT_TARGET}-gcc"
+                       GCC_FOR_TARGET=${CT_TARGET}-${CT_CC}"
         else
             repair_cc=""
         fi
@@ -711,16 +711,16 @@ do_gcc_core_backend() {
         CT_DoExecLog ALL make install-{pdf,html}-gcc
     fi
 
-    # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
+    # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-${CT_CC} to always be able
     # to call the C compiler with the same, somewhat canonical name.
     # check whether compiler has an extension
-    file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
+    file="$( ls -1 "${prefix}/bin/${CT_TARGET}-${CT_CC}."* 2>/dev/null || true )"
     [ -z "${file}" ] || ext=".${file##*.}"
-    if [ -f "${prefix}/bin/${CT_TARGET}-gcc${ext}" ]; then
+    if [ -f "${prefix}/bin/${CT_TARGET}-${CT_CC}${ext}" ]; then
-        CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
+        CT_DoExecLog ALL ln -sfv "${CT_TARGET}-${CT_CC}${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
     fi
 
-    cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-gcc" \
+    cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-${CT_CC}" \
         host="${host}"
 }
 
@@ -1153,15 +1153,15 @@ do_gcc_backend() {
         CT_DoExecLog ALL make install-{pdf,html}-gcc
     fi
 
-    # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
+    # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-${CT_CC} to always be able
     # to call the C compiler with the same, somewhat canonical name.
     # check whether compiler has an extension
-    file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
+    file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}."* 2>/dev/null || true )"
     [ -z "${file}" ] || ext=".${file##*.}"
-    if [ -f "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc${ext}" ]; then
+    if [ -f "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}${ext}" ]; then
-        CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
+        CT_DoExecLog ALL ln -sfv "${CT_TARGET}-${CT_CC}${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
     fi
 
-    cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-gcc" \
+    cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-${CT_CC}" \
         host="${host}"
 }

scripts/build/debug/200-duma.sh

@@ -41,8 +41,8 @@ do_debug_duma_build() {
     CT_DoLog EXTRA "Building libraries '${libs}'"
     CT_DoExecLog ALL                    \
     make HOSTCC="${CT_BUILD}-gcc"       \
-         CC="${CT_TARGET}-gcc"          \
+         CC="${CT_TARGET}-${CT_CC}"     \
-         CXX="${CT_TARGET}-gcc"         \
+         CXX="${CT_TARGET}-g++"         \
          RANLIB="${CT_TARGET}-ranlib"   \
          DUMA_CPP="${DUMA_CPP}"         \
          ${libs}

scripts/build/debug/300-gdb.sh

@@ -90,16 +90,20 @@ do_debug_gdb_build() {
             cross_extra_config+=("--disable-nls")
         fi
 
+        CPP_for_gdb="${CT_HOST}-cpp ${CT_CFLAGS_FOR_HOST}"
         CC_for_gdb="${CT_HOST}-gcc ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
+        CXX_for_gdb="${CT_HOST}-g++ ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST}"
         LD_for_gdb="${CT_HOST}-ld ${CT_LDFLAGS_FOR_HOST}"
         if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
             CC_for_gdb+=" -static"
+            CXX_for_gdb+=" -static"
             LD_for_gdb+=" -static"
         fi
         case "${CT_HOST}" in
             *darwin*)
                 # FIXME: Really, we should be testing for host compiler being clang.
                 CC_for_gdb+=" -Qunused-arguments"
+                CXX_for_gdb+=" -Qunused-arguments"
                 ;;
         esac
 
@@ -107,7 +111,9 @@ do_debug_gdb_build() {
         # are multiple consecutive spaces: sub-configure scripts replace them with a
         # single space and then complain that $CC value changed from that in
         # the master directory.
+        CPP_for_gdb=`echo $CPP_for_gdb`
         CC_for_gdb=`echo $CC_for_gdb`
+        CXX_for_gdb=`echo $CXX_for_gdb`
         LD_for_gdb=`echo $LD_for_gdb`
 
         # Disable binutils options when building from the binutils-gdb repo.
@@ -118,7 +124,9 @@ do_debug_gdb_build() {
         CT_DoLog DEBUG "Extra config passed: '${cross_extra_config[*]}'"
 
         CT_DoExecLog CFG                                \
+        CPP="${CPP_for_gdb}"                            \
         CC="${CC_for_gdb}"                              \
+        CXX="${CXX_for_gdb}"                            \
         LD="${LD_for_gdb}"                              \
         "${gdb_src_dir}/configure"                      \
             --build=${CT_BUILD}                         \
@@ -165,7 +173,6 @@ do_debug_gdb_build() {
 
     if [ "${CT_GDB_NATIVE}" = "y" ]; then
         local -a native_extra_config
-        local -a gdb_native_CFLAGS
 
         CT_DoStep INFO "Installing native gdb"
 
@@ -208,12 +215,14 @@ do_debug_gdb_build() {
         [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] &&    \
         native_extra_config+=("--disable-nls")
 
-        if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
+        CPP_for_gdb="${CT_TARGET}-cpp"
-            CC_for_gdb="${CT_TARGET}-gcc -static"
+        CC_for_gdb="${CT_TARGET}-${CT_CC}"
-            LD_for_gdb="${CT_TARGET}-ld -static"
+        CXX_for_gdb="${CT_TARGET}-g++"
-        else
-            CC_for_gdb="${CT_TARGET}-gcc"
         LD_for_gdb="${CT_TARGET}-ld"
+        if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
+            CC_for_gdb+=" -static"
+            CXX_for_gdb+=" -static"
+            LD_for_gdb+=" -static"
         fi
 
         export ac_cv_func_strncmp_works=yes
@@ -226,9 +235,10 @@ do_debug_gdb_build() {
         CT_DoLog DEBUG "Extra config passed: '${native_extra_config[*]}'"
 
         CT_DoExecLog CFG                                \
+        CPP="${CPP_for_gdb}"                            \
         CC="${CC_for_gdb}"                              \
+        CXX="${CXX_for_gdb}"                            \
         LD="${LD_for_gdb}"                              \
-        CFLAGS="${gdb_native_CFLAGS[*]}"                \
         "${gdb_src_dir}/configure"                      \
             --build=${CT_BUILD}                         \
             --host=${CT_TARGET}                         \
@@ -246,7 +256,7 @@ do_debug_gdb_build() {
             "${native_extra_config[@]}"
 
         CT_DoLog EXTRA "Building native gdb"
-        CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
+        CT_DoExecLog ALL make ${JOBSFLAGS}
 
         CT_DoLog EXTRA "Installing native gdb"
         CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
@@ -261,6 +271,7 @@ do_debug_gdb_build() {
 
     if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
         local -a gdbserver_extra_config
+        local gdbserver_LDFLAGS
 
         CT_DoStep INFO "Installing gdbserver"
         CT_DoLog EXTRA "Configuring gdbserver"
@@ -294,7 +305,7 @@ do_debug_gdb_build() {
         gdbserver_extra_config+=("--disable-gas")
 
         CT_DoExecLog CFG                                \
-        CC="${CT_TARGET}-gcc"                           \
+        CC="${CT_TARGET}-${CT_CC}"                      \
         CPP="${CT_TARGET}-cpp"                          \
         LD="${CT_TARGET}-ld"                            \
         LDFLAGS="${gdbserver_LDFLAGS}"                  \

scripts/build/debug/500-strace.sh

@@ -31,7 +31,7 @@ do_debug_strace_build() {
     CT_DoLog EXTRA "Configuring strace"
     CT_DoExecLog CFG                                           \
     CFLAGS_FOR_BUILD="-I ${CT_BUILD_DIR}/build-strace-headers" \
-    CC="${CT_TARGET}-gcc"                                      \
+    CC="${CT_TARGET}-${CT_CC}"                                 \
     CPP="${CT_TARGET}-cpp"                                     \
     LD="${CT_TARGET}-ld"                                       \
     "${CT_SRC_DIR}/strace-${CT_STRACE_VERSION}/configure"      \

scripts/build/libc/glibc.sh

@@ -252,7 +252,7 @@ do_libc_backend_once() {
     # but they are not passed by configure. Thus, pass everything in CC instead.
     CT_DoExecLog CFG                                                \
     BUILD_CC=${CT_BUILD}-gcc                                        \
-    CC="${CT_TARGET}-gcc ${glibc_cflags}"                           \
+    CC="${CT_TARGET}-${CT_CC} ${glibc_cflags}"                      \
     AR=${CT_TARGET}-ar                                              \
     RANLIB=${CT_TARGET}-ranlib                                      \
     "${CONFIG_SHELL}"                                               \
@@ -362,7 +362,7 @@ do_libc_backend_once() {
             # However, since we will never actually execute its code,
             # it doesn't matter what it contains.  So, treating '/dev/null'
             # as a C source file, we produce a dummy 'libc.so' in one step
-            CT_DoExecLog ALL "${CT_TARGET}-gcc" ${multi_flags}   \
+            CT_DoExecLog ALL "${CT_TARGET}-${CT_CC}" ${multi_flags}   \
                                            -nostdlib                  \
                                            -nostartfiles              \
                                            -shared                    \

scripts/build/libc/musl.sh

@@ -126,7 +126,7 @@ do_libc_backend_once() {
             obj/crt/crt1.o obj/crt/crti.o obj/crt/crtn.o
         CT_DoLog EXTRA "Installing C library start files"
         CT_DoExecLog ALL cp -av obj/crt/crt*.o "${multi_root}${multilib_dir}"
-        CT_DoExecLog ALL ${CT_TARGET}-gcc -nostdlib \
+        CT_DoExecLog ALL ${CT_TARGET}-${CT_CC} -nostdlib \
             -nostartfiles -shared -x c /dev/null -o "${multi_root}${multilib_dir}/libc.so"
     fi
     if [ "${libc_mode}" = "final" ]; then

scripts/build/libc/uClibc.sh

@@ -197,7 +197,7 @@ do_libc_backend_once() {
             # libm.so is needed for ppc, as libgcc is linked against libm.so
             # No problem to create it for other archs.
             CT_DoLog EXTRA "Building dummy shared libs"
-            CT_DoExecLog ALL "${CT_TARGET}-gcc" -nostdlib -nostartfiles \
+            CT_DoExecLog ALL "${CT_TARGET}-${CT_CC}" -nostdlib -nostartfiles \
                 -shared ${multi_flags} -x c /dev/null -o libdummy.so
 
             CT_DoLog EXTRA "Installing start files"
@@ -470,7 +470,7 @@ do_libc_ldso_fixup() {
     multilib_dir="/lib/${multi_os_dir}"
     CT_SanitizeVarDir multilib_dir
 
-    CT_DoExecLog ALL "${CT_TARGET}-gcc" -o test-ldso ../test-ldso.c ${multi_flags}
+    CT_DoExecLog ALL "${CT_TARGET}-${CT_CC}" -o test-ldso ../test-ldso.c ${multi_flags}
     if [ -r "test-ldso.gdb" ]; then
         binary="test-ldso.gdb"
     else

scripts/functions

@@ -1621,7 +1621,7 @@ CT_IterateMultilibs() {
 
     # If gcc is not configured for multilib, it still prints a single line
     # for the default settings
-    multilibs=( $("${CT_TARGET}-gcc" -print-multi-lib 2>/dev/null) )
+    multilibs=( $("${CT_TARGET}-${CT_CC}" -print-multi-lib 2>/dev/null) )
     CT_DoExecLog ALL rm -rf "sysroot-check"
     for multilib in "${multilibs[@]}"; do
         # GCC makes the distinction between:
@@ -1657,8 +1657,8 @@ CT_IterateMultilibs() {
         # multi_os_dir_gcc.
         multi_flags=$( echo "${multilib#*;}" | sed -r -e 's/@/ -/g;' )
         multi_dir="${multilib%%;*}"
-        multi_os_dir=$( "${CT_TARGET}-gcc" -print-multi-os-directory ${multi_flags} )
+        multi_os_dir=$( "${CT_TARGET}-${CT_CC}" -print-multi-os-directory ${multi_flags} )
-        multi_root=$( "${CT_TARGET}-gcc" -print-sysroot ${multi_flags} )
+        multi_root=$( "${CT_TARGET}-${CT_CC}" -print-sysroot ${multi_flags} )
         root_suffix="${multi_root#${CT_SYSROOT_DIR}}"
         CT_DoExecLog ALL mkdir -p "sysroot-check${root_suffix}"
         if [ -e "sysroot-check${root_suffix}/seen" ]; then
@@ -1677,10 +1677,10 @@ CT_IterateMultilibs() {
     for multilib in "${multilibs[@]}"; do
         multi_flags=$( echo "${multilib#*;}" | sed -r -e 's/@/ -/g;' )
         multi_dir="${multilib%%;*}"
-        multi_os_dir=$( "${CT_TARGET}-gcc" -print-multi-os-directory ${multi_flags} )
+        multi_os_dir=$( "${CT_TARGET}-${CT_CC}" -print-multi-os-directory ${multi_flags} )
         multi_os_dir_gcc="${multi_os_dir}"
-        multi_root=$( "${CT_TARGET}-gcc" -print-sysroot ${multi_flags} )
+        multi_root=$( "${CT_TARGET}-${CT_CC}" -print-sysroot ${multi_flags} )
-        multi_target=$( "${CT_TARGET}-gcc" -print-multiarch ${multi_flags} )
+        multi_target=$( "${CT_TARGET}-${CT_CC}" -print-multiarch ${multi_flags} )
         root_suffix="${multi_root#${CT_SYSROOT_DIR}}"
 
         # If GCC did not report the target tuple (i.e. this configuration is not