From 8059d63339b49d37af894f861956de4b89429bee Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Sun, 19 Nov 2023 11:41:26 +0100
Subject: Improved sanitizer detection

---
 configure.sh | 10 +++++++---
 test/test.sh | 12 ++++++------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/configure.sh b/configure.sh
index b9779c2..e4a142d 100755
--- a/configure.sh
+++ b/configure.sh
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-detect() { cc -march=native -dM -E - < /dev/null | grep "$1"; }
+detectarch() { cc -march=native -dM -E - </dev/null | grep "$1"; }
+detectsan() { cc -fsanitize=$1 -dM -E -x c - </dev/null | grep "SANITIZE"; }
 
-[ -n "$(detect __AVX2__)" ] && detected="AVX2"
+[ -n "$(detectarch __AVX2__)" ] && detected="AVX2"
 
 TYPE=${TYPE-"$detected"}
 
@@ -11,7 +12,10 @@ echo "Using CUBE_$TYPE"
 STD="-std=c99"
 WFLAGS="-pedantic -Wall -Wextra -Wno-unused-parameter -Wno-unused-function"
 [ "$TYPE" = "AVX2" ] && AVX="-mavx2"
-[ "$(uname)" = "Linux" ] && SAN="-fsanitize=address -fsanitize=undefined"
+
+[ -n "$(detectsan address)" ] && ADDR="-fsanitize=address"
+[ -n "$(detectsan undefined)" ] && UNDEF="-fsanitize=undefined"
+SAN="$ADDR $UNDEF"
 
 CFLAGS="$STD $WFLAGS $AVX -O3"
 DBGFLAGS="$STD $WFLAGS $AVX -g3 -DDEBUG"
diff --git a/test/test.sh b/test/test.sh
index 68b87aa..3adee3a 100755
--- a/test/test.sh
+++ b/test/test.sh
@@ -1,15 +1,15 @@
 #!/bin/sh
 
+detectsan() { cc -fsanitize=$1 -dM -E -x c - </dev/null | grep "SANITIZE"; }
+
 re="${TEST:-$@}"
 
 CC="cc -DDEBUG -std=c99 -pedantic -Wall -Wextra \
     -Wno-unused-parameter -Wno-unused-function -g3 -D$CUBETYPE"
-if [ "$CUBETYPE" = "CUBE_AVX2" ]; then
-	CC="$CC -mavx2"
-fi
-if [ "$(uname)" != "OpenBSD" ]; then
-	CC="$CC -fsanitize=address -fsanitize=undefined"
-fi
+
+[ "$CUBETYPE" = "CUBE_AVX2" ] && CC="$CC -mavx2"
+[ -n "$(detectsan address)" ] && CC="$CC -fsanitize=address"
+[ -n "$(detectsan undefined)" ] && CC="$CC -fsanitize=undefined"
 
 TESTBIN="test/run"
 TESTOUT="test/last.out"
-- 
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