Mercurial > hg > repoheat / file diff

--- a/configure	Mon May 19 15:09:16 2025 +0200
+++ b/configure	Mon May 19 15:09:33 2025 +0200
@@ -112,6 +112,8 @@
 
 Optional Features:
   --enable-static         statically link libstdc++
+  --enable-asan           compile with address sanitizer
+  --enable-ubsan          compile with undefined behavior sanitizer
 
 __EOF__
 }
@@ -179,6 +181,10 @@
         "--release")          BUILD_TYPE="release" ;;
         "--enable-static") FEATURE_STATIC=on ;;
         "--disable-static") unset FEATURE_STATIC ;;
+        "--enable-asan") FEATURE_ASAN=on ;;
+        "--disable-asan") unset FEATURE_ASAN ;;
+        "--enable-ubsan") FEATURE_UBSAN=on ;;
+        "--disable-ubsan") unset FEATURE_UBSAN ;;
         "-"*) echo "unknown option: $ARG"; abort_configure ;;
     esac
 done
@@ -295,25 +301,33 @@
     fi
 }
 
+dependency_error_asan()
+{
+    print_check_msg "$dep_checked_asan" "checking for asan... "
+    # dependency asan toolchain="gnuc"
+    while true
+    do
+        if notistoolchain "gnuc"; then
+            break
+        fi
+        TEMP_CXXFLAGS="$TEMP_CXXFLAGS -fsanitize=address"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -fsanitize=address"
+        print_check_msg "$dep_checked_asan" "yes\n"
+        dep_checked_asan=1
+        return 1
+    done
+
+    print_check_msg "$dep_checked_asan" "no\n"
+    dep_checked_asan=1
+    return 0
+}
 dependency_error_static()
 {
     print_check_msg "$dep_checked_static" "checking for static... "
-    # dependency static toolchain="gcc"
+    # dependency static toolchain="gnuc"
     while true
     do
-        if notistoolchain "gcc"; then
-            break
-        fi
-        TEMP_LDFLAGS="$TEMP_LDFLAGS -static"
-        print_check_msg "$dep_checked_static" "yes\n"
-        dep_checked_static=1
-        return 1
-    done
-
-    # dependency static toolchain="clang"
-    while true
-    do
-        if notistoolchain "clang"; then
+        if notistoolchain "gnuc"; then
             break
         fi
         TEMP_LDFLAGS="$TEMP_LDFLAGS -static"
@@ -326,6 +340,26 @@
     dep_checked_static=1
     return 0
 }
+dependency_error_ubsan()
+{
+    print_check_msg "$dep_checked_ubsan" "checking for ubsan... "
+    # dependency ubsan toolchain="gnuc"
+    while true
+    do
+        if notistoolchain "gnuc"; then
+            break
+        fi
+        TEMP_CXXFLAGS="$TEMP_CXXFLAGS -fsanitize=undefined"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -fsanitize=undefined"
+        print_check_msg "$dep_checked_ubsan" "yes\n"
+        dep_checked_ubsan=1
+        return 1
+    done
+
+    print_check_msg "$dep_checked_ubsan" "no\n"
+    dep_checked_ubsan=1
+    return 0
+}
 
 # start collecting dependency information
 echo > "$TEMP_DIR/flags.mk"
@@ -410,6 +444,46 @@
 else
     :
 fi
+if [ -n "$FEATURE_ASAN" ]; then
+    # check dependency
+    if dependency_error_asan ; then
+        # "auto" features can fail and are just disabled in this case
+        if [ "$FEATURE_ASAN" = "auto" ]; then
+            DISABLE_FEATURE_ASAN=1
+        else
+            DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED asan "
+            ERROR=1
+        fi
+    fi
+    if [ -n "$DISABLE_FEATURE_ASAN" ]; then
+        unset FEATURE_ASAN
+    fi
+fi
+if [ -n "$FEATURE_ASAN" ]; then
+    :
+else
+    :
+fi
+if [ -n "$FEATURE_UBSAN" ]; then
+    # check dependency
+    if dependency_error_ubsan ; then
+        # "auto" features can fail and are just disabled in this case
+        if [ "$FEATURE_UBSAN" = "auto" ]; then
+            DISABLE_FEATURE_UBSAN=1
+        else
+            DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED ubsan "
+            ERROR=1
+        fi
+    fi
+    if [ -n "$DISABLE_FEATURE_UBSAN" ]; then
+        unset FEATURE_UBSAN
+    fi
+fi
+if [ -n "$FEATURE_UBSAN" ]; then
+    :
+else
+    :
+fi
 
 
 if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then
@@ -500,6 +574,16 @@
 else
 echo "  static: off"
 fi
+if [ -n "$FEATURE_ASAN" ]; then
+echo "  asan: on"
+else
+echo "  asan: off"
+fi
+if [ -n "$FEATURE_UBSAN" ]; then
+echo "  ubsan: on"
+else
+echo "  ubsan: off"
+fi
 echo
 
 # generate the config.mk file