3 # This shell script handles all target based configuration for libstdc++.
4 # It sets various shell variables based on the the target and the
5 # configuration options. You can modify this shell script without
6 # needing to rerun autoconf.
8 # This shell script should be invoked as
10 # If it encounters an error, it will exit with a message.
12 # It uses the following shell variables:
13 # target The configuration target
14 # target_cpu The configuration target CPU
15 # target_os The configuration target OS
16 # target_optspace --enable-target-optspace ("yes", "no", "")
18 # It possibly modifies the following shell variables:
19 # cpu_include_dir CPU-specific include directory, relative to srcdir
20 # os_include_dir OS-specific include directory, relative to srcdir
23 # Set any CPU dependent compiler flags.
24 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
26 case "${target_cpu}" in
28 cpu_include_dir="config/cpu/alpha"
31 cpu_include_dir="config/cpu/arm"
34 cpu_include_dir="config/cpu/ia64"
37 cpu_include_dir="config/cpu/i386"
39 i486 | i586 | i686 | i786)
40 cpu_include_dir="config/cpu/i486"
43 cpu_include_dir="config/cpu/powerpc"
46 cpu_include_dir="config/cpu/sparc/sparc64"
49 cpu_include_dir="config/cpu/sparc/sparc32"
52 cpu_include_dir="config/cpu/generic"
57 # Set any OS dependent compiler flags.
58 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
60 case "${target_os}" in
61 aix4.[3456789]* | aix[56789]*)
62 os_include_dir="config/os/aix"
65 os_include_dir="config/os/bsd/freebsd"
68 os_include_dir="config/os/newlib"
71 os_include_dir="config/os/djgpp"
74 os_include_dir="config/os/gnu-linux"
76 irix[1-6] | irix[1-5].* | irix6.[0-4])
77 # This is known to work on at least IRIX 5.2 and 6.3.
78 os_include_dir="config/os/irix/irix5.2"
81 os_include_dir="config/os/irix/irix6.5"
84 os_include_dir="config/os/bsd/netbsd"
87 os_include_dir="config/os/solaris/solaris2.5"
90 os_include_dir="config/os/solaris/solaris2.6"
92 solaris2.7* | solaris2.8*)
93 os_include_dir="config/os/solaris/solaris2.7"
96 os_include_dir="config/os/hpux"
99 os_include_dir="config/os/generic"
104 # Set any flags dependant on the full target triplet.
105 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
109 # We set os_include_dir to config/os/aix only on AIX 4.3 and
110 # newer, but config/os/aix/bits/atomicity.h works on earlier
111 # versions of AIX 4.*, so we explicitly duplicate the directory
112 # here, because os_include_dir.
113 ATOMICITYH=config/os/aix
116 ATOMICITYH=config/cpu/generic
119 ATOMICITYH=$os_include_dir
122 ATOMICITYH=$cpu_include_dir