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authorRich Felker <dalias@aerifal.cx>2016-12-19 21:53:33 -0500
committerRich Felker <dalias@aerifal.cx>2016-12-19 21:53:33 -0500
commit088c9674a9c81cf20e9a863df571ba6d48e9ae37 (patch)
tree5b763aa29185f705295b524b5bcebc0d5f612f3b /configure
parent29237f7f5c09c436825a7a12b68ab4143b0ebd1f (diff)
downloadmusl-088c9674a9c81cf20e9a863df571ba6d48e9ae37.tar.gz
when building for arm as thumb2 code, also request assembly as thumb
all assembly is now thumb2-compatible. on existing targets this is at best a size optimization, but it will also facilitate porting to thumb2-isa-only arm variants.
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure b/configure
index 81e90f79..c2db298c 100755
--- a/configure
+++ b/configure
@@ -602,6 +602,10 @@ trycppif __ILP32__ "$t" && ARCH=x32
fi
if test "$ARCH" = "arm" ; then
+if trycppif __thumb2__ "$t" ; then
+tryflag CFLAGS_AUTO -Wa,-mimplicit-it=always
+tryflag CFLAGS_AUTO -Wa,-mthumb
+fi
trycppif __ARMEB__ "$t" && SUBARCH=${SUBARCH}eb
trycppif __ARM_PCS_VFP "$t" && SUBARCH=${SUBARCH}hf
# Versions of clang up until at least 3.8 have the wrong constraint codes