diff -r ce97ff16f00e -r 16e5b9d32754 make/toolchain.sh
--- a/make/toolchain.sh	Sun Jan 28 12:39:08 2024 +0100
+++ b/make/toolchain.sh	Sun Jan 28 13:10:18 2024 +0100
@@ -3,179 +3,198 @@
 # toolchain detection
 #
 
-C_COMPILERS="cc gcc clang suncc"
-CPP_COMPILERS="CC g++ clang++ sunCC"
-unset CC_ARG_CHECKED
-unset TOOLCHAIN_DETECTION_ERROR
+if isplatform "bsd" && notisplatform "openbsd"; then
+  C_COMPILERS="clang gcc cc"
+  CPP_COMPILERS="clang++ g++ CC"
+else
+  C_COMPILERS="gcc clang suncc cc"
+  CPP_COMPILERS="g++ clang++ sunCC CC"
+fi
+unset TOOLCHAIN
 unset TOOLCHAIN_NAME
+unset TOOLCHAIN_CC
+unset TOOLCHAIN_CXX
 
 check_c_compiler()
 {
-	cat > $TEMP_DIR/test.c << __EOF__
+  cat > "$TEMP_DIR/test.c" << __EOF__
 /* test file */
 #include <stdio.h>
 int main(int argc, char **argv) {
-#if defined(__clang__)
-	printf("clang\n");
+#if defined(_MSC_VER)
+  printf("msc\n");
+#elif defined(__clang__)
+  printf("clang gnuc\n");
 #elif defined(__GNUC__)
-	printf("gcc\n");
+  printf("gcc gnuc\n");
 #elif defined(__sun)
-	printf("suncc\n");
+  printf("suncc\n");
 #else
-	printf("unknown\n");
+  printf("unknown\n");
 #endif
-	return 0;
+  return 0;
 }
 __EOF__
-	rm -f $TEMP_DIR/checkcc
-	$1 -o $TEMP_DIR/checkcc $CFLAGS $LDFLAGS $TEMP_DIR/test.c 2> /dev/null
-	
-	if [ $? -ne 0 ]; then
-		return 1
-	fi
-	return 0
+  rm -f "$TEMP_DIR/checkcc"
+  $1 -o "$TEMP_DIR/checkcc" $CFLAGS $LDFLAGS "$TEMP_DIR/test.c" 2> /dev/null
 }
 
 check_cpp_compiler()
 {
-	cat > $TEMP_DIR/test.cpp << __EOF__
+  cat > "$TEMP_DIR/test.cpp" << __EOF__
 /* test file */
 #include <iostream>
 int main(int argc, char **argv) {
-#if defined(__clang__)
-	std::cout << "clang" << std::endl;
+#if defined(_MSC_VER)
+  std::cout << "msc" << std::endl;
+#elif defined(__clang__)
+  std::cout << "clang gnuc" << std::endl;
 #elif defined(__GNUC__)
-	std::cout << "gcc" << std::endl;
+  std::cout << "gcc gnuc" << std::endl;
 #elif defined(__sun)
-	std::cout << "suncc" << std::endl;
+  std::cout << "suncc" << std::endl;
 #else
-	std::cout << "unknown" << std::endl;
+  std::cout << "cc" << std::endl;
 #endif
-	return 0;
+  return 0;
+}
+__EOF__
+  rm -f "$TEMP_DIR/checkcc"
+  $1 -o "$TEMP_DIR/checkcc" $CXXFLAGS $LDFLAGS "$TEMP_DIR/test.cpp" 2> /dev/null
+}
+
+create_libtest_source()
+{
+  # $1: filename
+  # $2: optional include
+  cat > "$TEMP_DIR/$1" << __EOF__
+/* libtest file */
+int main(int argc, char **argv) {
+  return 0;
 }
 __EOF__
-	rm -f $TEMP_DIR/checkcc
-	$1 -o $TEMP_DIR/checkcc $CXXFLAGS $LDFLAGS $TEMP_DIR/test.cpp 2> /dev/null
-	
-	if [ $? -ne 0 ]; then
-		return 1
-	fi
-	return 0
+  if [ -n "$2" ]; then
+    echo "#include <$2>" >> "$TEMP_DIR/$1"
+  fi
+}
+
+check_c_lib()
+{
+  # $1: libname
+  # $2: optional include
+  if [ -z "$TOOLCHAIN_CC" ]; then
+    return 1
+  fi
+  create_libtest_source "test.c" "$2"
+  rm -f "$TEMP_DIR/checklib"
+  $TOOLCHAIN_CC -o "$TEMP_DIR/checklib" $CFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.c" 2> /dev/null
+}
+
+check_cpp_lib()
+{
+  # $1: libname
+  # $2: optional include
+  if [ -z "$TOOLCHAIN_CXX" ]; then
+    return 1
+  fi
+  create_libtest_source "test.cpp" "$2"
+  rm -f "$TEMP_DIR/checklib"
+  $TOOLCHAIN_CXX -o "$TEMP_DIR/checklib" $CXXFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.cpp" 2> /dev/null
+}
+
+check_lib()
+{
+  # $1: libname
+  # $2: optional include
+  if [ -n "$TOOLCHAIN_CC" ]; then
+    check_c_lib "$1" "$2"
+  elif  [ -n "$TOOLCHAIN_CXX" ]; then
+    check_cpp_lib "$1" "$2"
+  fi
 }
 
-printf "detect C compiler... "
+detect_c_compiler()
+{
+  if [ -n "$TOOLCHAIN_CC" ]; then
+    return 0
+  fi
+  printf "detect C compiler... "
+  if [ -n "$CC" ]; then
+    if check_c_compiler "$CC"; then
+      TOOLCHAIN_CC=$CC
+      TOOLCHAIN=`"$TEMP_DIR/checkcc"`
+      TOOLCHAIN_NAME=`echo "$TOOLCHAIN" | cut -f1 -d' ' -`
+      echo "$CC"
+      return 0
+    else
+      echo "$CC is not a working C compiler"
+      return 1
+    fi
+  else
+    for COMP in $C_COMPILERS
+    do
+      if check_c_compiler "$COMP"; then
+        TOOLCHAIN_CC=$COMP
+        TOOLCHAIN=`"$TEMP_DIR/checkcc"`
+        TOOLCHAIN_NAME=`echo "$TOOLCHAIN" | cut -f1 -d' ' -`
+        echo "$COMP"
+        return 0
+      fi
+    done
+    echo "not found"
+    return 1
+  fi
+}
 
-for COMP in $C_COMPILERS
-do
-	check_c_compiler $COMP
-	if [ $? -ne 0 ]; then
-		if [ ! -z "$CC" ]; then
-			if [ $COMP = $CC ]; then
-				echo "$CC is not a working C Compiler"
-				TOOLCHAIN_DETECTION_ERROR="error"
-				break
-			fi
-		fi
-	else
-		TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
-		USE_TOOLCHAIN=$TOOLCHAIN_NAME
-		if [ $COMP = "cc" ]; then
-			# we have found a working compiler, but in case
-			# the compiler is gcc or clang, we try to use
-			# these commands and not 'cc'
-			TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
-			if [ $TOOLCHAIN_NAME = "gcc" ]; then
-				check_c_compiler "gcc"
-				if [ $? -eq 0 ]; then
-					COMP=gcc
-					USE_TOOLCHAIN="gcc"
-				fi
-			fi
-			if [ $TOOLCHAIN_NAME = "clang" ]; then
-				check_c_compiler "clang"
-				if [ $? -eq 0 ]; then
-					COMP=clang
-					USE_TOOLCHAIN="clang"
-				fi
-			fi
-		fi
-		
-		TOOLCHAIN_NAME=$USE_TOOLCHAIN
-		TOOLCHAIN_CC=$COMP
-		echo $COMP
-		break
-	fi
-done
-if [ -z $TOOLCHAIN_CC ]; then
-	echo "not found"
-fi
-
-printf "detect C++ compiler... "
+detect_cpp_compiler()
+{
+  if [ -n "$TOOLCHAIN_CXX" ]; then
+    return 0
+  fi
+  printf "detect C++ compiler... "
 
-for COMP in $CPP_COMPILERS
-do
-	check_cpp_compiler $COMP
-	if [ $? -ne 0 ]; then
-		if [ ! -z "$CXX" ]; then
-			if [ $COMP = $CXX ]; then
-				echo "$CC is not a working C++ Compiler"
-				TOOLCHAIN_DETECTION_ERROR="error"
-				break
-			fi
-		fi
-	else
-		if [ $COMP = "CC" ]; then
-			# we have found a working compiler, but in case
-			# the compiler is gcc or clang, we try to use
-			# these commands and not 'cc'
-			TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
-			USE_TOOLCHAIN=$TOOLCHAIN_NAME
-			if [ $TOOLCHAIN_NAME = "gcc" ]; then
-				check_cpp_compiler "g++"
-				if [ $? -eq 0 ]; then
-				   COMP=g++
-				   USE_TOOLCHAIN="gcc"
-				fi
-			fi
-			if [ $TOOLCHAIN_NAME = "clang" ]; then
-				check_cpp_compiler "clang++"
-				if [ $? -eq 0 ]; then
-				   COMP=clang++
-				   USE_TOOLCHAIN="clang"
-				fi
-			fi
-		fi
-		
-		TOOLCHAIN_NAME=$USE_TOOLCHAIN
-		TOOLCHAIN_CXX=$COMP
-		echo $COMP
-		break
-	fi
-done
-if [ -z $TOOLCHAIN_CXX ]; then
-	echo "not found"
-fi
+  if [ -n "$CXX" ]; then
+    if check_cpp_compiler "$CXX"; then
+      TOOLCHAIN_CXX=$CXX
+      TOOLCHAIN=`"$TEMP_DIR/checkcc"`
+      TOOLCHAIN_NAME=`echo "$TOOLCHAIN" | cut -f1 -d' ' -`
+      echo "$CXX"
+      return 0
+    else
+      echo "$CXX is not a working C++ compiler"
+      return 1
+    fi
+  else
+    for COMP in $CPP_COMPILERS
+    do
+      if check_cpp_compiler "$COMP"; then
+        TOOLCHAIN_CXX=$COMP
+        TOOLCHAIN=`"$TEMP_DIR/checkcc"`
+        TOOLCHAIN_NAME=`echo "$TOOLCHAIN" | cut -f1 -d' ' -`
+        echo "$COMP"
+        return 0
+      fi
+    done
+    echo "${TOOLCHAIN_CXX:-"not found"}"
+    return 1
+  fi
+}
 
-TOOLCHAIN_LD=$TOOLCHAIN_CC
-
-if [ -z "$TOOLCHAIN_NAME" ]; then
-	TOOLCHAIN_DETECTION_ERROR="error"
-else
-	cat >> $TEMP_DIR/config.mk << __EOF__
-# toolchain
-__EOF__
-	echo "CC = ${TOOLCHAIN_CC}" >> $TEMP_DIR/config.mk
-	if [ ! -z "$TOOLCHAIN_CXX" ]; then
-		echo "CXX = ${TOOLCHAIN_CXX}" >> $TEMP_DIR/config.mk
-	fi
-	echo "LD = ${TOOLCHAIN_LD}" >> $TEMP_DIR/config.mk
-	echo >> $TEMP_DIR/config.mk
-	
-	cat "make/${TOOLCHAIN_NAME}.mk" > /dev/null 2>&1
-	if [ $? -eq 0 ]; then 
-		echo "include \$(BUILD_ROOT)/make/${TOOLCHAIN_NAME}.mk" >> $TEMP_DIR/config.mk
-	else
-		echo "SHLIB_CFLAGS = -fPIC" >> $TEMP_DIR/config.mk
-		echo "SHLIB_LDFLAGS = -shared" >> $TEMP_DIR/config.mk
-	fi
-fi
+write_toolchain_defaults()
+{
+  echo "# toolchain" >> "$1"
+  if [ -n "$TOOLCHAIN_CC" ]; then
+    echo "CC = ${TOOLCHAIN_CC}" >> "$1"
+  fi
+  if [ -n "$TOOLCHAIN_CXX" ]; then
+    echo "CXX = ${TOOLCHAIN_CXX}" >> "$1"
+  fi
+  echo >> "$1"
+  if [ -f "make/${TOOLCHAIN_NAME}.mk" ]; then
+    cat "make/${TOOLCHAIN_NAME}.mk" >> "$1"
+  elif [ -f "make/cc.mk" ]; then
+    cat "make/cc.mk" >> "$1"
+  else
+    echo "!!! WARNING !!! Default toolchain flags not found. Configuration might be incomplete."
+  fi
+}