Implement SRC_CPP_NO_LTO and use it util/

`-flto` / `-fno-lto` is not available in clang-cl,  so we should not use it in order to prevent `-Wunknown-argument` from being triggered

Raw CFLAGS are not user-friendly, we should define a better macro for thi (somewhat popular) case.

ref:6f969138dc8b6fe4c420eb2ef4c0e50c2503d184

1 files changed, 13 insertions, 0 deletions

diff --git a/build/ymake.core.conf b/build/ymake.core.conf
index b0c390dfc3..fadc1cbd07 100644
--- a/build/ymake.core.conf
+++ b/build/ymake.core.conf
@@ -1250,10 +1250,12 @@ module _BASE_UNIT: _BARE_UNIT {
         when ($GCC) {
             CFLAGS+=-flto -fno-fat-lto-objects
             LDFLAGS+=-flto
+            NO_LTO_CFLAGS=-fno-lto
         }
         when ($CLANG) {
             CFLAGS+=-flto
             LDFLAGS+=-flto
+            NO_LTO_CFLAGS=-fno-lto
         }
     }
 
@@ -1261,10 +1263,12 @@ module _BASE_UNIT: _BARE_UNIT {
         when ($GCC) {
             CFLAGS+=-flto=thin
             LDFLAGS+=-flto=thin
+            NO_LTO_CFLAGS=-fno-lto
         }
         when ($CLANG) {
             CFLAGS+=-flto=thin
             LDFLAGS+=-flto=thin
+            NO_LTO_CFLAGS=-fno-lto
         }
     }
 
@@ -5705,6 +5709,8 @@ SSE_CFLAGS=
 SSE4_DEFINES=
 SSE4_CFLAGS=
 
+NO_LTO_CFLAGS=
+
 # tag:cpu
 when (($ARCH_X86_64 || $ARCH_I386) && $DISABLE_INSTRUCTION_SETS != "yes") {
     when ($CLANG || $CLANG_CL || $GCC) {
@@ -6328,6 +6334,13 @@ macro SRC_CPP_PIC(FILE, FLAGS...) {
 }
 
 # tag:cpu tag:src-processing
+### @uage SRC_CPP_NO_LTO(File)
+### Compile single .cpp file with link-time-optimization disabled
+macro SRC_CPP_NO_LTO(FILE) {
+    _SRC(cpp $FILE $NO_LTO_CFLAGS)
+}
+
+# tag:cpu tag:src-processing
 ### @usage SRC_CPP_SSE2(File Flags...)
 ### Compile single .cpp-file with SSE2 and extra Flags.
 macro SRC_CPP_SSE2(FILE, FLAGS...) {