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configure: Implement --enable-host-pie
[thirdparty/gcc.git] / intl / configure.ac
1 AC_INIT
2 AC_USE_SYSTEM_EXTENSIONS
3 AC_CONFIG_SRCDIR(gettext.c)
4 AC_CONFIG_HEADER(config.h)
5 AC_CONFIG_MACRO_DIR(../config)
6 AM_GNU_GETTEXT_VERSION(0.12.1)
7 AM_GNU_GETTEXT([], [need-ngettext])
8
9 # This replaces the extensive use of DEFS in the original Makefile.in.
10 AC_DEFINE(IN_LIBINTL, 1, [Define because this is libintl.])
11 AC_DEFINE(IN_LIBRARY, 1, [Define because this is a library.])
12 AC_DEFINE(DEPENDS_ON_LIBICONV, 1, [Define because we depend on libiconv.])
13 AC_DEFINE(ENABLE_RELOCATABLE, 1, [Define to enable relocation.])
14 AC_DEFINE(NO_XMALLOC, 1, [Define if there is no xmalloc.])
15 AC_DEFINE(set_relocation_prefix, libintl_set_relocation_prefix,
16 [Define this entry point correctly.])
17 AC_DEFINE(relocate, libintl_relocate,
18 [Define this entry point correctly.])
19
20 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
21 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
22 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
23 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
24
25 AC_ARG_ENABLE(maintainer-mode,
26 [ --enable-maintainer-mode enable rules only needed by maintainers],,
27 enable_maintainer_mode=no)
28 if test "x$enable_maintainer_mode" = xno; then
29 MAINT='#'
30 else
31 MAINT=
32 fi
33 AC_SUBST(MAINT)
34
35 dnl Variables for tags utilities; based on automake 1.16.4+'s init.m4
36 if test -z "$CTAGS"; then
37 CTAGS=ctags
38 fi
39 AC_SUBST([CTAGS])
40 if test -z "$ETAGS"; then
41 ETAGS=etags
42 fi
43 AC_SUBST([ETAGS])
44 if test -z "$MKID"; then
45 MKID=mkid
46 fi
47 AC_SUBST([MKID])
48
49 # Additional info for config.intl.
50 AC_SUBST(LIBINTL_DEP)
51 AC_SUBST(INCINTL)
52
53 LIBINTL_DEP=
54 INCINTL=
55 case $USE_INCLUDED_LIBINTL in
56 yes)
57 LIBINTL=`echo $LIBINTL | sed 's,${top_builddir},&/..,' `
58 LTLIBINTL=`echo $LTLIBINTL | sed 's,${top_builddir},&/..,' `
59 LIBINTL_DEP='${top_builddir}/../intl/libintl.a'
60 INCINTL='-I${top_builddir}/../intl'
61 ;;
62 esac
63
64 BISON3_YES='#'
65 BISON3_NO=
66 if test "$INTLBISON" != :; then
67 ac_bison3=no
68 AC_MSG_CHECKING([bison 3 or later])
69 changequote(<<,>>)dnl
70 ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
71 case $ac_prog_version in
72 [3-9].*)
73 changequote([,])dnl
74 ac_prog_version="$ac_prog_version, bison3"; ac_bison3=yes;;
75 *) ac_prog_version="$ac_prog_version, old";;
76 esac
77 AC_MSG_RESULT([$ac_prog_version])
78 if test $ac_bison3 = yes; then
79 BISON3_YES=
80 BISON3_NO='#'
81 fi
82 fi
83 AC_SUBST(BISON3_YES)
84 AC_SUBST(BISON3_NO)
85
86 # Enable --enable-host-shared.
87 AC_ARG_ENABLE(host-shared,
88 [AS_HELP_STRING([--enable-host-shared],
89 [build host code as shared libraries])])
90 AC_SUBST(enable_host_shared)
91
92 # Enable --enable-host-pie.
93 AC_ARG_ENABLE(host-pie,
94 [AS_HELP_STRING([--enable-host-pie],
95 [build host code as PIE])])
96 AC_SUBST(enable_host_pie)
97
98 if test x$enable_host_shared = xyes; then
99 PICFLAG=-fPIC
100 elif test x$enable_host_pie = xyes; then
101 PICFLAG=-fPIE
102 else
103 PICFLAG=
104 fi
105 AC_SUBST(PICFLAG)
106
107 AC_CONFIG_FILES(Makefile config.intl)
108 AC_OUTPUT