diff --git a/src/signal/arm/sigsetjmp.s b/src/signal/arm/sigsetjmp.s
index acb0301..654b6c6 100644
--- a/src/signal/arm/sigsetjmp.s
+++ b/src/signal/arm/sigsetjmp.s
@@ -1,6 +1,9 @@
 .global sigsetjmp
 .type sigsetjmp,%function
+.weak __sigsetjmp
+.type __sigsetjmp,%function
 sigsetjmp:
+__sigsetjmp:
 	str a2,[a1,#256]
 	tst a2,a2
 	beq setjmp
diff --git a/src/signal/i386/sigsetjmp.s b/src/signal/i386/sigsetjmp.s
index 06e0a61..7a53e19 100644
--- a/src/signal/i386/sigsetjmp.s
+++ b/src/signal/i386/sigsetjmp.s
@@ -1,6 +1,9 @@
 .global sigsetjmp
 .type sigsetjmp,@function
+.weak __sigsetjmp
+.type __sigsetjmp,@function
 sigsetjmp:
+__sigsetjmp:
 	mov 4(%esp),%eax
 	mov 8(%esp),%ecx
 	mov %ecx,24(%eax)
diff --git a/src/signal/mips/sigsetjmp.s b/src/signal/mips/sigsetjmp.s
index ae9c542..de7328c 100644
--- a/src/signal/mips/sigsetjmp.s
+++ b/src/signal/mips/sigsetjmp.s
@@ -2,7 +2,10 @@
 
 .global sigsetjmp
 .type sigsetjmp,@function
+.weak __sigsetjmp
+.type __sigsetjmp,@function
 sigsetjmp:
+__sigsetjmp:
 	lui $gp, %hi(_gp_disp)
 	addiu $gp, %lo(_gp_disp)
 	beq $5, $0, 1f
diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s
index 94d7148..da0028b 100644
--- a/src/signal/x86_64/sigsetjmp.s
+++ b/src/signal/x86_64/sigsetjmp.s
@@ -1,7 +1,10 @@
 /* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
 .global sigsetjmp
 .type sigsetjmp,@function
+.weak __sigsetjmp
+.type __sigsetjmp,@function
 sigsetjmp:
+__sigsetjmp:
 	andl %esi,%esi
 	movq %rsi,64(%rdi)
 	jz 1f