diff options
Diffstat (limited to 'math/Makefile')
| -rw-r--r-- | math/Makefile | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/math/Makefile b/math/Makefile index 65302911c4..dfcbff7fc7 100644 --- a/math/Makefile +++ b/math/Makefile @@ -52,7 +52,6 @@ long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) # not ready yet #long-m-yes = $(long-m-routines) # uncomment this when code works #distribute += $(long-m-routines:=.c) # and this when at least all files exist - # These functions are in libc instead of libm because __printf_fp # calls them, so any program using printf will need them linked in, # and we don't want to have to link every program with -lm. @@ -62,6 +61,12 @@ long-c-yes = $(calls:=l) distribute += $(long-c-yes:=.c) +# The -lieee module sets the _LIB_VERSION_ switch to IEEE mode +# for error handling in the -lm functions. +install-lib += libieee.a +non-lib.a += libieee.a +extra-objs += libieee.a ieee-math.o + include ../Rules @@ -82,3 +87,10 @@ endif # The fdlibm code generates a lot of these warnings but is otherwise clean. override CFLAGS += -Wno-uninitialized -Wno-write-strings + +# The -lieee library is actually an object file. +# The module just defines the _LIB_VERSION_ variable. +# It's not a library to make sure it is linked in instead of s_lib_version.o. +$(objpfx)libieee.a: $(objpfx)ieee-math.o + rm -f $@ + ln $< $@ |