Add gc-sections

stevenyan7 · Apr 2, 2018 · ae76072 · ae76072
1 parent 10aff8d
commit ae76072
Showing 1 changed file with 11 additions and 6 deletions.
diff --git a/configure.ac b/configure.ac
@@ -51,10 +51,17 @@ AS_IF(test x$RUSTC = xno,
 
 AX_COMPILER_VENDOR
 OPTIMIZE_CFLAGS="-Os -fvisibility=hidden -ffunction-sections -fdata-sections"
-if test x"$ax_cv_c_compiler_vendor" = x"gnu" then
-    OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS -Wl,-gc-sections"
-elif test x"$ax_cv_c_compiler_vendor" = x"clang" then
-    OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS -Wl,-dead-strip"
+
+if test x"$ax_cv_c_compiler_vendor" = x"gnu"
+then
+    OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS -Wl,--gc-sections"
+    CARGO_RUSTC_ARGS="-- -C link-args=-Wl,--gc-sections"
+fi
+
+if test x"$ax_cv_c_compiler_vendor" = x"clang"
+then
+    OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS -Wl,-dead_strip"
+    CARGO_RUSTC_ARGS="-- -C link-args=-Wl,-dead_strip"
 fi
 
 DEBUG_CFLAGS="-g -ggdb -O0 -Wall"
@@ -84,8 +91,6 @@ AC_ARG_ENABLE([rusthost],
     [ RUST_HOST= ]
     )
 
-CARGO_RUSTC_ARGS="-- -C link-args=-Wl,-gc-sections"
-
 if test "x$RUST_HOST" = "x"
 then
     CARGO_TARGET_ARGS=""