1# These are the functions which clang needs when it is targetting a previous
2# version of the OS. The issue is that the backend may use functions which were
3# not present in the libgcc that shipped on the platform. In such cases, we link
4# with a version of the library which contains private_extern definitions of all
5# the extra functions which might be referenced.
6
7Description := Static runtime libraries for clang/Darwin.
8
9Configs :=
10UniversalArchs :=
11
12# Configuration for targetting 10.4. We need a few functions missing from
13# libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really
14# support targetting PowerPC.
15Configs += 10.4
16UniversalArchs.10.4 := i386 x86_64
17
18# Configuration for targetting armv6. We need a few additional functions which
19# must be in the same linkage unit.
20Configs += armv6
21UniversalArchs.armv6 := armv6
22
23CC := gcc
24
25# Forcibly strip off any -arch, as that totally breaks our universal support.
26override CC := $(subst -arch ,-arch_,$(CC))
27override CC := $(patsubst -arch_%,,$(CC))
28
29CFLAGS := -Wall -Werror -O3 -fomit-frame-pointer
30
31FUNCTIONS.10.4 := eprintf floatundidf floatundisf floatundixf
32FUNCTIONS.armv6 := switch16 switch32 switch8 switchu8 \
33                   save_vfp_d8_d15_regs restore_vfp_d8_d15_regs
34
35VISIBILITY_HIDDEN := 1
36