4 files changed, 12 insertions, 0 deletions
diff --git a/app-editors/emacs/emacs-23.4-r17.ebuild b/app-editors/emacs/emacs-23.4-r17.ebuild
index a2456d6cbd3b..99eac1719fdd 100644
--- a/app-editors/emacs/emacs-23.4-r17.ebuild
+++ b/app-editors/emacs/emacs-23.4-r17.ebuild
@@ -134,6 +134,9 @@ src_configure() {
 		replace-flags "-O[3-9]" -O2
 	fi
 
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
 	local myconf
 
 	if use alsa && ! use sound; then
diff --git a/app-editors/emacs/emacs-24.5-r5.ebuild b/app-editors/emacs/emacs-24.5-r5.ebuild
index d1f8e3fe6d66..d06860523d92 100644
--- a/app-editors/emacs/emacs-24.5-r5.ebuild
+++ b/app-editors/emacs/emacs-24.5-r5.ebuild
@@ -125,6 +125,9 @@ src_configure() {
 		replace-flags "-O[3-9]" -O2
 	fi
 
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
 	local myconf
 
 	if use alsa; then
diff --git a/app-editors/emacs/emacs-25.3-r4.ebuild b/app-editors/emacs/emacs-25.3-r4.ebuild
index c6d29908c41b..6911c651218c 100644
--- a/app-editors/emacs/emacs-25.3-r4.ebuild
+++ b/app-editors/emacs/emacs-25.3-r4.ebuild
@@ -127,6 +127,9 @@ src_configure() {
 		replace-flags "-O[3-9]" -O2
 	fi
 
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
 	local myconf
 
 	if use alsa; then
diff --git a/app-editors/emacs/emacs-26.1-r1.ebuild b/app-editors/emacs/emacs-26.1-r1.ebuild
index 6b3b71a29f66..97b7b1294852 100644
--- a/app-editors/emacs/emacs-26.1-r1.ebuild
+++ b/app-editors/emacs/emacs-26.1-r1.ebuild
@@ -137,6 +137,9 @@ src_configure() {
 		replace-flags "-O[3-9]" -O2
 	fi
 
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
 	local myconf
 
 	if use alsa; then