465 lines
12 KiB
Plaintext
465 lines
12 KiB
Plaintext
#---------------------------------------------------------------------------
|
|
#
|
|
# xc-lt-iface.m4
|
|
#
|
|
# Copyright (c) 2013 Daniel Stenberg <daniel@haxx.se>
|
|
#
|
|
# Permission to use, copy, modify, and distribute this software for any
|
|
# purpose with or without fee is hereby granted, provided that the above
|
|
# copyright notice and this permission notice appear in all copies.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
#
|
|
#---------------------------------------------------------------------------
|
|
|
|
# serial 1
|
|
|
|
|
|
dnl _XC_LIBTOOL_PREAMBLE
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks some configure script options related with
|
|
dnl libtool and customizes its default behavior before
|
|
dnl libtool code is actually used in script.
|
|
|
|
m4_define([_XC_LIBTOOL_PREAMBLE],
|
|
[dnl
|
|
# ------------------------------------ #
|
|
# Determine libtool default behavior #
|
|
# ------------------------------------ #
|
|
|
|
#
|
|
# Default behavior is to enable shared and static libraries on systems
|
|
# where libtool knows how to build both library versions, and does not
|
|
# require separate configuration and build runs for each flavor.
|
|
#
|
|
|
|
xc_lt_want_enable_shared='yes'
|
|
xc_lt_want_enable_static='yes'
|
|
|
|
#
|
|
# User may have disabled shared or static libraries.
|
|
#
|
|
case "x$enable_shared" in @%:@ (
|
|
xno)
|
|
xc_lt_want_enable_shared='no'
|
|
;;
|
|
esac
|
|
case "x$enable_static" in @%:@ (
|
|
xno)
|
|
xc_lt_want_enable_static='no'
|
|
;;
|
|
esac
|
|
if test "x$xc_lt_want_enable_shared" = 'xno' &&
|
|
test "x$xc_lt_want_enable_static" = 'xno'; then
|
|
AC_MSG_ERROR([can not disable shared and static libraries simultaneously])
|
|
fi
|
|
|
|
#
|
|
# Default behavior on systems that require independent configuration
|
|
# and build runs for shared and static is to enable shared libraries
|
|
# and disable static ones. On these systems option '--disable-shared'
|
|
# must be used in order to build a proper static library.
|
|
#
|
|
|
|
if test "x$xc_lt_want_enable_shared" = 'xyes' &&
|
|
test "x$xc_lt_want_enable_static" = 'xyes'; then
|
|
case $host_os in @%:@ (
|
|
pw32* | cegcc* | os2* | aix*)
|
|
xc_lt_want_enable_static='no'
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
#
|
|
# Make libtool aware of current shared and static library preferences
|
|
# taking in account that, depending on host characteristics, libtool
|
|
# may modify these option preferences later in this configure script.
|
|
#
|
|
|
|
enable_shared=$xc_lt_want_enable_shared
|
|
enable_static=$xc_lt_want_enable_static
|
|
|
|
#
|
|
# Default behavior is to build PIC objects for shared libraries and
|
|
# non-PIC objects for static libraries.
|
|
#
|
|
|
|
xc_lt_want_with_pic='default'
|
|
|
|
#
|
|
# User may have specified PIC preference.
|
|
#
|
|
|
|
case "x$with_pic" in @%:@ ((
|
|
xno)
|
|
xc_lt_want_with_pic='no'
|
|
;;
|
|
xyes)
|
|
xc_lt_want_with_pic='yes'
|
|
;;
|
|
esac
|
|
|
|
#
|
|
# Default behavior on some systems where building a shared library out
|
|
# of non-PIC compiled objects will fail with following linker error
|
|
# "relocation R_X86_64_32 can not be used when making a shared object"
|
|
# is to build PIC objects even for static libraries. This behavior may
|
|
# be overridden using 'configure --disable-shared --without-pic'.
|
|
#
|
|
|
|
if test "x$xc_lt_want_with_pic" = 'xdefault'; then
|
|
case $host_cpu in @%:@ (
|
|
x86_64 | amd64 | ia64)
|
|
case $host_os in @%:@ (
|
|
linux* | freebsd*)
|
|
xc_lt_want_with_pic='yes'
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
#
|
|
# Make libtool aware of current PIC preference taking in account that,
|
|
# depending on host characteristics, libtool may modify PIC default
|
|
# behavior to fit host system idiosyncrasies later in this script.
|
|
#
|
|
|
|
with_pic=$xc_lt_want_with_pic
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|
|
|
|
|
|
dnl _XC_LIBTOOL_BODY
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl This macro performs embedding of libtool code into
|
|
dnl configure script, regardless of libtool version in
|
|
dnl use when generating configure script.
|
|
|
|
m4_define([_XC_LIBTOOL_BODY],
|
|
[dnl
|
|
## ----------------------- ##
|
|
## Start of libtool code ##
|
|
## ----------------------- ##
|
|
m4_ifdef([LT_INIT],
|
|
[dnl
|
|
LT_INIT([win32-dll])
|
|
],[dnl
|
|
AC_LIBTOOL_WIN32_DLL
|
|
AC_PROG_LIBTOOL
|
|
])dnl
|
|
## --------------------- ##
|
|
## End of libtool code ##
|
|
## --------------------- ##
|
|
dnl
|
|
m4_define([$0], [])[]dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_BUILD_LIBRARIES
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks whether libtool shared and static libraries
|
|
dnl are finally built depending on user input, default
|
|
dnl behavior and knowledge that libtool has about host
|
|
dnl characteristics.
|
|
dnl Results stored in following shell variables:
|
|
dnl xc_lt_build_shared
|
|
dnl xc_lt_build_static
|
|
|
|
m4_define([_XC_CHECK_LT_BUILD_LIBRARIES],
|
|
[dnl
|
|
#
|
|
# Verify if finally libtool shared libraries will be built
|
|
#
|
|
|
|
case "x$enable_shared" in @%:@ ((
|
|
xyes | xno)
|
|
xc_lt_build_shared=$enable_shared
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([unexpected libtool enable_shared value: $enable_shared])
|
|
;;
|
|
esac
|
|
|
|
#
|
|
# Verify if finally libtool static libraries will be built
|
|
#
|
|
|
|
case "x$enable_static" in @%:@ ((
|
|
xyes | xno)
|
|
xc_lt_build_static=$enable_static
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR([unexpected libtool enable_static value: $enable_static])
|
|
;;
|
|
esac
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_SHLIB_USE_VERSION_INFO
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks if the -version-info linker flag must be
|
|
dnl provided when building libtool shared libraries.
|
|
dnl Result stored in xc_lt_shlib_use_version_info.
|
|
|
|
m4_define([_XC_CHECK_LT_SHLIB_USE_VERSION_INFO],
|
|
[dnl
|
|
#
|
|
# Verify if libtool shared libraries should be linked using flag -version-info
|
|
#
|
|
|
|
AC_MSG_CHECKING([whether to build shared libraries with -version-info])
|
|
xc_lt_shlib_use_version_info='yes'
|
|
if test "x$version_type" = 'xnone'; then
|
|
xc_lt_shlib_use_version_info='no'
|
|
fi
|
|
case $host_os in @%:@ (
|
|
amigaos*)
|
|
xc_lt_shlib_use_version_info='yes'
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT([$xc_lt_shlib_use_version_info])
|
|
dnl
|
|
m4_define([$0], [])[]dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks if the -no-undefined linker flag must be
|
|
dnl provided when building libtool shared libraries.
|
|
dnl Result stored in xc_lt_shlib_use_no_undefined.
|
|
|
|
m4_define([_XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED],
|
|
[dnl
|
|
#
|
|
# Verify if libtool shared libraries should be linked using flag -no-undefined
|
|
#
|
|
|
|
AC_MSG_CHECKING([whether to build shared libraries with -no-undefined])
|
|
xc_lt_shlib_use_no_undefined='no'
|
|
if test "x$allow_undefined" = 'xno'; then
|
|
xc_lt_shlib_use_no_undefined='yes'
|
|
elif test "x$allow_undefined_flag" = 'xunsupported'; then
|
|
xc_lt_shlib_use_no_undefined='yes'
|
|
fi
|
|
case $host_os in @%:@ (
|
|
cygwin* | mingw* | pw32* | cegcc* | os2* | aix*)
|
|
xc_lt_shlib_use_no_undefined='yes'
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT([$xc_lt_shlib_use_no_undefined])
|
|
dnl
|
|
m4_define([$0], [])[]dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks if the -mimpure-text linker flag must be
|
|
dnl provided when building libtool shared libraries.
|
|
dnl Result stored in xc_lt_shlib_use_mimpure_text.
|
|
|
|
m4_define([_XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT],
|
|
[dnl
|
|
#
|
|
# Verify if libtool shared libraries should be linked using flag -mimpure-text
|
|
#
|
|
|
|
AC_MSG_CHECKING([whether to build shared libraries with -mimpure-text])
|
|
xc_lt_shlib_use_mimpure_text='no'
|
|
case $host_os in @%:@ (
|
|
solaris2*)
|
|
if test "x$GCC" = 'xyes'; then
|
|
xc_lt_shlib_use_mimpure_text='yes'
|
|
fi
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT([$xc_lt_shlib_use_mimpure_text])
|
|
dnl
|
|
m4_define([$0], [])[]dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_BUILD_WITH_PIC
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks whether libtool shared and static libraries
|
|
dnl would be built with PIC depending on user input,
|
|
dnl default behavior and knowledge that libtool has
|
|
dnl about host characteristics.
|
|
dnl Results stored in following shell variables:
|
|
dnl xc_lt_build_shared_with_pic
|
|
dnl xc_lt_build_static_with_pic
|
|
|
|
m4_define([_XC_CHECK_LT_BUILD_WITH_PIC],
|
|
[dnl
|
|
#
|
|
# Find out whether libtool libraries would be built wit PIC
|
|
#
|
|
|
|
case "x$pic_mode" in @%:@ ((((
|
|
xdefault)
|
|
xc_lt_build_shared_with_pic='yes'
|
|
xc_lt_build_static_with_pic='no'
|
|
;;
|
|
xyes)
|
|
xc_lt_build_shared_with_pic='yes'
|
|
xc_lt_build_static_with_pic='yes'
|
|
;;
|
|
xno)
|
|
xc_lt_build_shared_with_pic='no'
|
|
xc_lt_build_static_with_pic='no'
|
|
;;
|
|
*)
|
|
xc_lt_build_shared_with_pic='unknown'
|
|
xc_lt_build_static_with_pic='unknown'
|
|
AC_MSG_WARN([unexpected libtool pic_mode value: $pic_mode])
|
|
;;
|
|
esac
|
|
AC_MSG_CHECKING([whether to build shared libraries with PIC])
|
|
AC_MSG_RESULT([$xc_lt_build_shared_with_pic])
|
|
AC_MSG_CHECKING([whether to build static libraries with PIC])
|
|
AC_MSG_RESULT([$xc_lt_build_static_with_pic])
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|
|
|
|
|
|
dnl _XC_CHECK_LT_BUILD_SINGLE_VERSION
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Checks whether a libtool shared or static library
|
|
dnl is finally built exclusively without the other.
|
|
dnl Results stored in following shell variables:
|
|
dnl xc_lt_build_shared_only
|
|
dnl xc_lt_build_static_only
|
|
|
|
m4_define([_XC_CHECK_LT_BUILD_SINGLE_VERSION],
|
|
[dnl
|
|
#
|
|
# Verify if libtool shared libraries will be built while static not built
|
|
#
|
|
|
|
AC_MSG_CHECKING([whether to build shared libraries only])
|
|
if test "$xc_lt_build_shared" = 'yes' &&
|
|
test "$xc_lt_build_static" = 'no'; then
|
|
xc_lt_build_shared_only='yes'
|
|
else
|
|
xc_lt_build_shared_only='no'
|
|
fi
|
|
AC_MSG_RESULT([$xc_lt_build_shared_only])
|
|
|
|
#
|
|
# Verify if libtool static libraries will be built while shared not built
|
|
#
|
|
|
|
AC_MSG_CHECKING([whether to build static libraries only])
|
|
if test "$xc_lt_build_static" = 'yes' &&
|
|
test "$xc_lt_build_shared" = 'no'; then
|
|
xc_lt_build_static_only='yes'
|
|
else
|
|
xc_lt_build_static_only='no'
|
|
fi
|
|
AC_MSG_RESULT([$xc_lt_build_static_only])
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|
|
|
|
|
|
dnl _XC_LIBTOOL_POSTLUDE
|
|
dnl -------------------------------------------------
|
|
dnl Private macro.
|
|
dnl
|
|
dnl Performs several checks related with libtool that
|
|
dnl can not be done unless libtool code has already
|
|
dnl been executed. See individual check descriptions
|
|
dnl for further info.
|
|
|
|
m4_define([_XC_LIBTOOL_POSTLUDE],
|
|
[dnl
|
|
_XC_CHECK_LT_BUILD_LIBRARIES
|
|
_XC_CHECK_LT_SHLIB_USE_VERSION_INFO
|
|
_XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED
|
|
_XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT
|
|
_XC_CHECK_LT_BUILD_WITH_PIC
|
|
_XC_CHECK_LT_BUILD_SINGLE_VERSION
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|
|
|
|
|
|
dnl XC_LIBTOOL
|
|
dnl -------------------------------------------------
|
|
dnl Public macro.
|
|
dnl
|
|
dnl This macro embeds libtool machinery into configure
|
|
dnl script, regardless of libtool version, and performs
|
|
dnl several additional checks whose results can be used
|
|
dnl later on.
|
|
dnl
|
|
dnl Usage of this macro ensures that generated configure
|
|
dnl script uses equivalent logic irrespective of autoconf
|
|
dnl or libtool version being used to generate configure
|
|
dnl script.
|
|
dnl
|
|
dnl Results stored in following shell variables:
|
|
dnl xc_lt_build_shared
|
|
dnl xc_lt_build_static
|
|
dnl xc_lt_shlib_use_version_info
|
|
dnl xc_lt_shlib_use_no_undefined
|
|
dnl xc_lt_shlib_use_mimpure_text
|
|
dnl xc_lt_build_shared_with_pic
|
|
dnl xc_lt_build_static_with_pic
|
|
dnl xc_lt_build_shared_only
|
|
dnl xc_lt_build_static_only
|
|
|
|
AC_DEFUN([XC_LIBTOOL],
|
|
[dnl
|
|
AC_PREREQ([2.50])dnl
|
|
dnl
|
|
AC_BEFORE([$0],[LT_INIT])dnl
|
|
AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl
|
|
AC_BEFORE([$0],[AC_LIBTOOL_WIN32_DLL])dnl
|
|
dnl
|
|
AC_REQUIRE([XC_CHECK_PATH_SEPARATOR])dnl
|
|
AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|
AC_REQUIRE([AC_PROG_CC])dnl
|
|
dnl
|
|
_XC_LIBTOOL_PREAMBLE
|
|
_XC_LIBTOOL_BODY
|
|
_XC_LIBTOOL_POSTLUDE
|
|
dnl
|
|
m4_ifdef([AC_LIBTOOL_WIN32_DLL],
|
|
[m4_undefine([AC_LIBTOOL_WIN32_DLL])])dnl
|
|
m4_ifdef([AC_PROG_LIBTOOL],
|
|
[m4_undefine([AC_PROG_LIBTOOL])])dnl
|
|
m4_ifdef([LT_INIT],
|
|
[m4_undefine([LT_INIT])])dnl
|
|
dnl
|
|
m4_define([$0],[])dnl
|
|
])
|