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Don't use POSIX 2008 locales on cygwin
[perl5.git] / hints / cygwin.sh
1 #! /bin/sh
2 # cygwin.sh - hints for building perl using the Cygwin environment for Win32
3 #
4
5 # not otherwise settable
6 exe_ext='.exe'
7 firstmakefile='GNUmakefile'
8 case "$ldlibpthname" in
9 '') ldlibpthname=PATH ;;
10 esac
11 archobjs='cygwin.o'
12
13 # mandatory (overrides incorrect defaults)
14 test -z "$cc" && cc='gcc'
15 if test -z "$plibpth"
16 then
17     plibpth=`gcc -print-file-name=libc.a`
18     plibpth=`dirname $plibpth`
19     plibpth=`cd $plibpth && pwd`
20 fi
21 so='dll'
22 # - eliminate -lc, implied by gcc and a symlink to libcygwin.a
23 libswanted=`echo " $libswanted " | sed -e 's/ c / /g'`
24 # - eliminate -lm, symlink to libcygwin.a
25 libswanted=`echo " $libswanted " | sed -e 's/ m / /g'`
26 # - eliminate -lutil, symbols are all in libcygwin.a
27 libswanted=`echo " $libswanted " | sed -e 's/ util / /g'`
28 test -z "$ignore_versioned_solibs" && ignore_versioned_solibs='y'
29 test -z "$usenm" && usenm='no'
30 test -z "$libc" && libc='/usr/lib/libcygwin.a'
31 test -z "$loclibpth" && loclibpth=' '
32 test -z "$glibpth" && glibpth=' '
33 test -z "$plibpth" && plibpth=' '
34 test -z "$libpth" && libpth=' '
35 PATH='.:/usr/bin/'
36 # - add libgdbm_compat $libswanted
37 libswanted="$libswanted gdbm_compat"
38 test -z "$optimize" && optimize='-O3'
39 man3ext='3pm'
40 test -z "$use64bitint" && use64bitint='define'
41 test -z "$useithreads" && useithreads='define'
42 test -z "$usemymalloc" && usemymalloc='undef'
43 ccflags="$ccflags -U__STRICT_ANSI__ -D_GNU_SOURCE"
44 # - otherwise i686-cygwin
45 archname='cygwin'
46
47 # dynamic loading
48 # - otherwise -fpic
49 cccdlflags=' '
50 lddlflags=' --shared'
51 test -z "$ld" && ld='g++'
52
53 case "$osvers" in
54     # Configure gets these wrong if the IPC server isn't yet running:
55     # only use for 1.5.7 and onwards
56     [2-9]*|1.[6-9]*|1.[1-5][0-9]*|1.5.[7-9]*|1.5.[1-6][0-9]*)
57         d_semctl_semid_ds='define'
58         d_semctl_semun='define'
59         ;;
60 esac
61
62 case "$osvers" in
63     [2-9]*|1.[6-9]*)
64         # IPv6 only since 1.7
65         d_inetntop='define'
66         d_inetpton='define'
67         ;;
68     *)
69         # IPv6 not implemented before cygwin-1.7
70         d_inetntop='undef'
71         d_inetpton='undef'
72 esac
73
74 # compile Win32CORE "module" as static. try to avoid the space.
75 if test -z "$static_ext"; then
76   static_ext="Win32CORE"
77 else
78   static_ext="$static_ext Win32CORE"
79 fi
80
81 # Win9x problem with non-blocking read from a closed pipe
82 d_eofnblk='define'
83
84 # suppress auto-import warnings
85 ldflags="$ldflags -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,--enable-auto-image-base"
86 lddlflags="$lddlflags $ldflags"
87
88 # strip exe's and dll's, better do it afterwards
89 #ldflags="$ldflags -s"
90 #ccdlflags="$ccdlflags -s"
91 #lddlflags="$lddlflags -s"
92
93 # Seems that exporting _Thread_local doesn't work on cygwin. This 6 year old
94 # gcc bug suggests that maybe the problem really is binutils, but either way
95 # it still doesn't work, despite our probes looking good:
96 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64697
97 d_thread_local=undef
98
99 # Broken: https://sourceware.org/pipermail/cygwin/2022-August/252043.html */
100 d_newlocale=undef