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1# configure.target
2
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.
7
8# This shell script should be invoked as
9# . configure.target
10# If it encounters an error, it will exit with a message.
11
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", "")
17
18# It possibly modifies the following shell variables:
19# glibcpp_cflags Special CFLAGS to use when building
20# glibcpp_cxxflags Special CXXFLAGS to use when building
21# cpu_include_dir CPU-specific include directory, relative to srcdir
22# os_include_dir OS-specific include directory, relative to srcdir
23# The first two are set in configure.host and modified here.
24
25
26# These are "local" and should be set in the switch statements below. They
27# will be appended to their real conterparts once the dust settles.
28l_glibcpp_cflags=
29l_glibcpp_cxxflags=
30
31
32# Set any CPU dependent compiler flags.
33# THIS TABLE IS SORTED. KEEP IT THAT WAY.
34
35case "${target_cpu}" in
36 alpha*)
37 cpu_include_dir="config/cpu/alpha"
38 ;;
39 arm*)
40 cpu_include_dir="config/cpu/arm"
41 ;;
42 ia64)
43 cpu_include_dir="config/cpu/ia64"
44 ;;
45 i386)
46 cpu_include_dir="config/cpu/i386"
47 ;;
48 i486 | i586 | i686 | i786)
49 cpu_include_dir="config/cpu/i486"
50 ;;
51 powerpc | rs6000)
52 cpu_include_dir="config/cpu/powerpc"
53 ;;
54 sparc64 | ultrasparc)
55 cpu_include_dir="config/cpu/sparc/sparc64"
56 ;;
57 sparc*)
58 cpu_include_dir="config/cpu/sparc/sparc32"
59 ;;
60 *)
61 cpu_include_dir="config/cpu/generic"
62 ;;
63esac
64
65
66# Set any OS dependent compiler flags.
67# THIS TABLE IS SORTED. KEEP IT THAT WAY.
68
69case "${target_os}" in
70 aix4.[[3456789]]* | aix[[56789]]*)
71 os_include_dir="config/os/aix"
72 case "$CXX" in
73 *pthread*)
74 enable_threads='posix'
75 ;;
76 *)
77 enable_threads='no'
78 ;;
79 esac
80 ;;
81 aix*)
82 os_include_dir="config/os/aix"
83 ;;
84 bsd* | freebsd*)
85 os_include_dir="config/os/bsd"
86 ;;
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87 cygwin*)
88 os_include_dir="config/os/newlib"
89 ;;
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90 linux*)
91 os_include_dir="config/os/gnu-linux"
92 ;;
93 irix*)
94 os_include_dir="config/os/irix"
95 ;;
96 solaris2.5*)
97 os_include_dir="config/os/solaris/solaris2.5"
98 ;;
99 solaris2.6*)
100 os_include_dir="config/os/solaris/solaris2.6"
101 ;;
102 solaris2.7* | solaris2.8*)
103 os_include_dir="config/os/solaris/solaris2.7"
104 ;;
105 *)
106 os_include_dir="config/os/generic"
107 ;;
108esac
109
110
111# Set any flags dependant on the full target triplet.
112# THIS TABLE IS SORTED. KEEP IT THAT WAY.
113
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114case "${target}" in
115 *-*-aix*)
116 ATOMICITYH=$os_include_dir
117 ;;
118 *-*-freebsd*)
119 ATOMICITYH=$cpu_include_dir
120 ;;
121 *-*-irix*)
122 ATOMICITYH=$os_include_dir
123 ;;
124 *-*-linux*)
125 ATOMICITYH=$cpu_include_dir
126 ;;
127 sparc*-*-*)
128 ATOMICITYH=$cpu_include_dir
129 ;;
130 *)
131 ATOMICITYH="config/cpu/generic"
132 ;;
133esac
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134
135
136# Okay, folks, show's over. Move along, move along.
137
138glibcpp_cflags="${glibcpp_cflags} ${libgcj_flags} ${l_glibcpp_cflags}"
139glibcpp_cxxflags="${glibcpp_cxxflags} ${libgcj_flags} ${l_glibcpp_cxxflags}"
140
141