Add enable_exceptions compile configuration. (flutter#686)

eyebrowsoffire · web-flow · commit 64b0c3deecaf · 2023-02-15T17:50:57.000Z
This is needed for binaryen targets, some of which will be built soon as
part of the dart sdk build.
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
@@ -766,6 +766,15 @@ config("no_rtti") {
   }
 }
 
+config("enable_exceptions") {
+  if (is_win) {
+    cflags_cc = [ "/EHsc" ]
+    defines = [ "_HAS_EXCEPTIONS=1" ]
+  } else if (is_clang) {
+    cflags_cc = [ "-fexceptions" ]
+  }
+}
+
 # Warnings ---------------------------------------------------------------------
 
 # On Windows compiling on x64, VC will issue a warning when converting

Original file line number	Diff line number	Diff line change
`@@ -766,6 +766,15 @@ config("no_rtti") {`
`766`	`766`	`}`
`767`	`767`	`}`
`768`	`768`
	`769`	`+config("enable_exceptions") {`
	`770`	`+ if (is_win) {`
	`771`	`+ cflags_cc = [ "/EHsc" ]`
	`772`	`+ defines = [ "_HAS_EXCEPTIONS=1" ]`
	`773`	`+ } else if (is_clang) {`
	`774`	`+ cflags_cc = [ "-fexceptions" ]`
	`775`	`+ }`
	`776`	`+}`
	`777`	`+`
`769`	`778`	`# Warnings ---------------------------------------------------------------------`
`770`	`779`
`771`	`780`	`# On Windows compiling on x64, VC will issue a warning when converting`