diff --git a/app-i18n/uim/files/uim-1.8.8-fno-common.patch b/app-i18n/uim/files/uim-1.8.8-fno-common.patch
new file mode 100644
index 0000000000000..ff974bb5d5b21
--- /dev/null
+++ b/app-i18n/uim/files/uim-1.8.8-fno-common.patch
@@ -0,0 +1,11 @@
+--- a/sigscheme/libgcroots/include/private/gc_priv.h
++++ b/sigscheme/libgcroots/include/private/gc_priv.h
+@@ -1979,7 +1979,7 @@
+   /* the signal mask.						*/
+ # define SETJMP(env) sigsetjmp(env, 1)
+ # define LONGJMP(env, val) siglongjmp(env, val)
+-# define JMP_BUF sigjmp_buf
++# define JMP_BUF extern sigjmp_buf
+ #else
+ # ifdef ECOS
+ #   define SETJMP(env)  hal_setjmp(env)
diff --git a/app-i18n/uim/uim-1.8.8.ebuild b/app-i18n/uim/uim-1.8.8.ebuild
index 412b439ce31c7..3ed23be0370a4 100644
--- a/app-i18n/uim/uim-1.8.8.ebuild
+++ b/app-i18n/uim/uim-1.8.8.ebuild
@@ -84,6 +84,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-tinfo.patch
 	"${FILESDIR}"/${PN}-xkb.patch
 	"${FILESDIR}"/${PN}-zh-TW.patch
+	"${FILESDIR}"/${P}-fno-common.patch
 )
 DOCS=( AUTHORS NEWS README RELNOTE doc )