From bc24947a849e9e5068c04cc663eb3379c0995523 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Thu, 11 Sep 2025 16:50:23 +0200
Subject: [PATCH] tests: replace CC and gcc with CXX and g++

---
 tests/cxxrtl/run-test.sh | 4 ++--
 tests/fmt/run-test.sh    | 4 ++--
 tests/tools/autotest.sh  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tests/cxxrtl/run-test.sh b/tests/cxxrtl/run-test.sh
index ee299fc82..4b542e180 100755
--- a/tests/cxxrtl/run-test.sh
+++ b/tests/cxxrtl/run-test.sh
@@ -5,7 +5,7 @@ set -ex
 run_subtest () {
     local subtest=$1; shift
 
-    ${CC:-gcc} -std=c++11 -O2 -o cxxrtl-test-${subtest} -I../../backends/cxxrtl/runtime test_${subtest}.cc -lstdc++
+    ${CXX:-g++} -std=c++11 -O2 -o cxxrtl-test-${subtest} -I../../backends/cxxrtl/runtime test_${subtest}.cc -lstdc++
     ./cxxrtl-test-${subtest}
 }
 
@@ -14,4 +14,4 @@ run_subtest value_fuzz
 
 # Compile-only test.
 ../../yosys -p "read_verilog test_unconnected_output.v; select =*; proc; clean; write_cxxrtl cxxrtl-test-unconnected_output.cc"
-${CC:-gcc} -std=c++11 -c -o cxxrtl-test-unconnected_output -I../../backends/cxxrtl/runtime cxxrtl-test-unconnected_output.cc
+${CXX:-g++} -std=c++11 -c -o cxxrtl-test-unconnected_output -I../../backends/cxxrtl/runtime cxxrtl-test-unconnected_output.cc
diff --git a/tests/fmt/run-test.sh b/tests/fmt/run-test.sh
index 998047f83..88ee6e238 100644
--- a/tests/fmt/run-test.sh
+++ b/tests/fmt/run-test.sh
@@ -51,7 +51,7 @@ test_cxxrtl () {
 	local subtest=$1; shift
 
 	../../yosys -p "read_verilog ${subtest}.v; proc; clean; write_cxxrtl -print-output std::cerr yosys-${subtest}.cc"
-	${CC:-gcc} -std=c++11 -o yosys-${subtest} -I../../backends/cxxrtl/runtime ${subtest}_tb.cc -lstdc++
+	${CXX:-g++} -std=c++11 -o yosys-${subtest} -I../../backends/cxxrtl/runtime ${subtest}_tb.cc -lstdc++
 	./yosys-${subtest} 2>yosys-${subtest}.log
 	iverilog -o iverilog-${subtest} ${subtest}.v ${subtest}_tb.v
 	./iverilog-${subtest} |grep -v '\$finish called' >iverilog-${subtest}.log
@@ -69,7 +69,7 @@ diff iverilog-always_full.log iverilog-always_full-1.log
 
 ../../yosys -p "read_verilog display_lm.v" >yosys-display_lm.log
 ../../yosys -p "read_verilog display_lm.v; write_cxxrtl yosys-display_lm.cc"
-${CC:-gcc} -std=c++11 -o yosys-display_lm_cc -I../../backends/cxxrtl/runtime display_lm_tb.cc -lstdc++
+${CXX:-g++} -std=c++11 -o yosys-display_lm_cc -I../../backends/cxxrtl/runtime display_lm_tb.cc -lstdc++
 ./yosys-display_lm_cc >yosys-display_lm_cc.log
 for log in yosys-display_lm.log yosys-display_lm_cc.log; do
 	grep "^%l: \\\\bot\$" "$log"
diff --git a/tests/tools/autotest.sh b/tests/tools/autotest.sh
index f96eb8d71..47b06d575 100755
--- a/tests/tools/autotest.sh
+++ b/tests/tools/autotest.sh
@@ -26,7 +26,7 @@ xfirrtl="../xfirrtl"
 abcprog="$toolsdir/../../yosys-abc"
 
 if [ ! -f "$toolsdir/cmp_tbdata" -o "$toolsdir/cmp_tbdata.c" -nt "$toolsdir/cmp_tbdata" ]; then
-	( set -ex; ${CC:-gcc} -Wall -o "$toolsdir/cmp_tbdata" "$toolsdir/cmp_tbdata.c"; ) || exit 1
+	( set -ex; ${CXX:-g++} -Wall -o "$toolsdir/cmp_tbdata" "$toolsdir/cmp_tbdata.c"; ) || exit 1
 fi
 
 while getopts xmGl:wkjvref:s:p:n:S:I:A:-: opt; do