diff --git a/scripts/build/binutils/binutils.sh b/scripts/build/binutils/binutils.sh
index 7625690c..f378b4f1 100644
--- a/scripts/build/binutils/binutils.sh
+++ b/scripts/build/binutils/binutils.sh
@@ -200,7 +200,9 @@ do_binutils_backend() {
 
     CT_DoExecLog CFG                                            \
     CC_FOR_BUILD="${CT_BUILD}-gcc"                              \
-    CFLAGS_FOR_BUILD="${cflags_for_build}"                      \
+    CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}"                   \
+    CXXFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}"                 \
+    LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}"                 \
     CFLAGS="${cflags}"                                          \
     CXXFLAGS="${cflags}"                                        \
     LDFLAGS="${ldflags}"                                        \
diff --git a/scripts/build/cc/100-gcc.sh b/scripts/build/cc/100-gcc.sh
index c45253a4..2ca8e6f3 100644
--- a/scripts/build/cc/100-gcc.sh
+++ b/scripts/build/cc/100-gcc.sh
@@ -547,7 +547,7 @@ do_gcc_core_backend() {
     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
 
     # We may need to modify host/build CFLAGS separately below
-    cflags_for_build="${cflags}"
+    cflags_for_build="${CT_CFLAGS_FOR_BUILD}"
 
     # Clang's default bracket-depth is 256, and building GCC
     # requires somewhere between 257 and 512.
diff --git a/scripts/build/debug/300-gdb.sh b/scripts/build/debug/300-gdb.sh
index 98ef5e5d..52290f1b 100644
--- a/scripts/build/debug/300-gdb.sh
+++ b/scripts/build/debug/300-gdb.sh
@@ -141,7 +141,8 @@ do_debug_gdb_build() {
 
         CT_DoExecLog CFG                                \
         CC_FOR_BUILD="${CT_BUILD}-gcc"                  \
-        CFLAGS_FOR_BUILD="${cflags_for_build}"          \
+        CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}"       \
+        LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}"     \
         CPP="${CPP_for_gdb}"                            \
         CC="${CC_for_gdb}"                              \
         CXX="${CXX_for_gdb}"                            \
@@ -261,7 +262,8 @@ do_debug_gdb_build() {
 
         CT_DoExecLog CFG                                \
         CC_FOR_BUILD="${CT_BUILD}-gcc"                  \
-        CFLAGS_FOR_BUILD="${cflags_for_build}"          \
+        CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}"       \
+        LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}"     \
         CPP="${CPP_for_gdb}"                            \
         CC="${CC_for_gdb}"                              \
         CXX="${CXX_for_gdb}"                            \
@@ -339,7 +341,8 @@ do_debug_gdb_build() {
 
         CT_DoExecLog CFG                                \
         CC_FOR_BUILD="${CT_BUILD}-gcc"                  \
-        CFLAGS_FOR_BUILD="${cflags_for_build}"          \
+        CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}"       \
+        LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}"     \
         CC="${CT_TARGET}-${CT_CC}"                      \
         CPP="${CT_TARGET}-cpp"                          \
         LD="${CT_TARGET}-ld"                            \