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authorRichard Sandiford <rdsandiford@googlemail.com>2007-09-07 07:38:47 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2007-09-07 07:38:47 +0000
commit8f138f687443a9696b1950895acb0aea658e6560 (patch)
treee40aec0e2020b8c7c5886ef60a0b705bd28ca825 /config/mt-sde
parent04d2ac07a5eddd975a7bdee3b18e3519b0fd9c4e (diff)
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config/
* mt-sde (CFLAGS_FOR_TARGET): Add -mno-gpopt. (CXXFLAGS_FOR_TARGET): Likewise.
Diffstat (limited to 'config/mt-sde')
-rw-r--r--config/mt-sde14
1 files changed, 8 insertions, 6 deletions
diff --git a/config/mt-sde b/config/mt-sde
index e746161..fbdc081 100644
--- a/config/mt-sde
+++ b/config/mt-sde
@@ -1,8 +1,10 @@
# We default to building libraries optimised for size. We switch off
# sibling-call optimization to permit interlinking of MIPS16 and
-# non-MIPS16 functions. The -mcode-xonly option allows MIPS16
-# libraries to run on Harvard-style split I/D memories, so long as
-# they have the D-to-I redirect for pc-relative loads.
-
-CFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly
-CXXFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly
+# non-MIPS16 functions. The -mcode-xonly option allows MIPS16 libraries
+# to run on Harvard-style split I/D memories, so long as they have the
+# D-to-I redirect for PC-relative loads. -mno-gpopt has two purposes:
+# it allows libraries to be used in situations where $gp != our _gp,
+# and it allows them to be built with -G8 while retaining link compability
+# with -G0 and -G4.
+CFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly -mno-gpopt
+CXXFLAGS_FOR_TARGET = -Os -fno-optimize-sibling-calls -mcode-xonly -mno-gpopt