From 0e2f1f830f6b2b5140b290665a2b9aeb16e1fe91 Mon Sep 17 00:00:00 2001
From: Franz Flasch <franz.flasch@gmx.at>
Date: Sat, 16 Nov 2024 11:47:09 +0100
Subject: [PATCH] CPP: enable c++ compiler by default

---
 configs/target_config.sh             | 10 +++++-----
 configs/targets/cortex-m0.sh         |  1 -
 configs/targets/cortex-m3.sh         |  1 -
 configs/targets/cortex-m4.sh         |  1 -
 configs/targets/riscv32-baremetal.sh |  1 -
 configs/targets/riscv64-baremetal.sh |  1 -
 6 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/configs/target_config.sh b/configs/target_config.sh
index 56406a0..47a9a57 100644
--- a/configs/target_config.sh
+++ b/configs/target_config.sh
@@ -33,11 +33,11 @@ function setup_default_config()
 
     # If you want to enable c++ please specify:
     #local enable_languages="c,c++"
-    local enable_languages="c"
-    local fake_cpp=""
+    local enable_languages="c,c++"
+    local CPP_COMPILER_NAME="${TARGET}-g++"
 
     if [[ ${enable_languages} = "c" ]]; then
-        fake_cpp="fake"
+        CPP_COMPILER_NAME="false"
     fi
 
     # According to the gcc docs bootstrap is only enabled for native builds by default.
@@ -54,7 +54,7 @@ function setup_default_config()
     )
 
     # Notes:
-    # Add CC and a fake CXX to circumvent an issue in glibc in case of a c only build:
+    # In case of a c only build, we need to specify "CXX=false" otherwise the build won't work.
     # https://sourceware.org/bugzilla/show_bug.cgi?id=24183
     #
     # CFLAGS: It seems there is an issue when building glibc with GCC-11, so we add
@@ -68,7 +68,7 @@ function setup_default_config()
         "CFLAGS='-g -O2 \
             -Wno-error=stringop-overread'"
         "CC=${TARGET}-gcc"
-        "CXX=${TARGET}${fake_cpp}-g++"
+        "CXX=${CPP_COMPILER_NAME}"
         "--host=${TARGET}"
         "--prefix=${INSTALL}/${TARGET}"
         "--with-headers=${INSTALL}/${TARGET}/include"
diff --git a/configs/targets/cortex-m0.sh b/configs/targets/cortex-m0.sh
index 41b5a79..a12295a 100644
--- a/configs/targets/cortex-m0.sh
+++ b/configs/targets/cortex-m0.sh
@@ -88,7 +88,6 @@ function config_cortex-m0() {
         "--disable-shared"
         "--with-float=soft"
         "--disable-multilib"
-        "--enable-languages=c,c++"
     )
 
     GDB_CONFIGURATION=(
diff --git a/configs/targets/cortex-m3.sh b/configs/targets/cortex-m3.sh
index 10149f1..b179c80 100644
--- a/configs/targets/cortex-m3.sh
+++ b/configs/targets/cortex-m3.sh
@@ -88,7 +88,6 @@ function config_cortex-m3() {
         "--disable-shared"
         "--with-float=soft"
         "--disable-multilib"
-        "--enable-languages=c,c++"
     )
 
     GDB_CONFIGURATION=(
diff --git a/configs/targets/cortex-m4.sh b/configs/targets/cortex-m4.sh
index 6f3f416..1a41bee 100644
--- a/configs/targets/cortex-m4.sh
+++ b/configs/targets/cortex-m4.sh
@@ -88,7 +88,6 @@ function config_cortex-m4() {
         "--disable-shared"
         "--with-float=hard"
         "--disable-multilib"
-        "--enable-languages=c,c++"
     )
 
     GDB_CONFIGURATION=(
diff --git a/configs/targets/riscv32-baremetal.sh b/configs/targets/riscv32-baremetal.sh
index 77e1170..1d1ae71 100644
--- a/configs/targets/riscv32-baremetal.sh
+++ b/configs/targets/riscv32-baremetal.sh
@@ -63,7 +63,6 @@ function config_riscv32-baremetal() {
         "--with-newlib"
         "--disable-shared"
         "--disable-multilib"
-        "--enable-languages=c,c++"
     )
 
     GDB_CONFIGURATION=(
diff --git a/configs/targets/riscv64-baremetal.sh b/configs/targets/riscv64-baremetal.sh
index e507ecf..1f8dcf3 100644
--- a/configs/targets/riscv64-baremetal.sh
+++ b/configs/targets/riscv64-baremetal.sh
@@ -71,7 +71,6 @@ function config_riscv64-baremetal() {
         "--with-newlib"
         "--disable-shared"
         "--disable-multilib"
-        "--enable-languages=c,c++"
     )
 
     GDB_CONFIGURATION=(