mirror of
https://github.com/moparisthebest/curl
synced 2024-12-22 16:18:48 -05:00
bd431eef04
This patch is adopted from the MINGW-packages project. It makes it possible to build curl both shared and static again. URL: https://github.com/Alexpux/MINGW-packages/tree/master/mingw-w64-curl
466 lines
12 KiB
Plaintext
466 lines
12 KiB
Plaintext
#---------------------------------------------------------------------------
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#
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# xc-lt-iface.m4
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#
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# Copyright (c) 2013 Daniel Stenberg <daniel@haxx.se>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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#---------------------------------------------------------------------------
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# serial 1
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dnl _XC_LIBTOOL_PREAMBLE
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks some configure script options related with
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dnl libtool and customizes its default behavior before
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dnl libtool code is actually used in script.
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m4_define([_XC_LIBTOOL_PREAMBLE],
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[dnl
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# ------------------------------------ #
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# Determine libtool default behavior #
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# ------------------------------------ #
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#
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# Default behavior is to enable shared and static libraries on systems
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# where libtool knows how to build both library versions, and does not
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# require separate configuration and build runs for each flavor.
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#
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xc_lt_want_enable_shared='yes'
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xc_lt_want_enable_static='yes'
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#
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# User may have disabled shared or static libraries.
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#
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case "x$enable_shared" in @%:@ (
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xno)
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xc_lt_want_enable_shared='no'
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;;
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esac
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case "x$enable_static" in @%:@ (
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xno)
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xc_lt_want_enable_static='no'
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;;
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esac
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if test "x$xc_lt_want_enable_shared" = 'xno' &&
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test "x$xc_lt_want_enable_static" = 'xno'; then
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AC_MSG_ERROR([can not disable shared and static libraries simultaneously])
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fi
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#
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# Default behavior on systems that require independent configuration
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# and build runs for shared and static is to enable shared libraries
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# and disable static ones. On these systems option '--disable-shared'
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# must be used in order to build a proper static library.
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#
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if test "x$xc_lt_want_enable_shared" = 'xyes' &&
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test "x$xc_lt_want_enable_static" = 'xyes'; then
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case $host_os in @%:@ (
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pw32* | cegcc* | os2* | aix*)
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xc_lt_want_enable_static='no'
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;;
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esac
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fi
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#
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# Make libtool aware of current shared and static library preferences
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# taking in account that, depending on host characteristics, libtool
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# may modify these option preferences later in this configure script.
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#
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enable_shared=$xc_lt_want_enable_shared
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enable_static=$xc_lt_want_enable_static
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#
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# Default behavior is to build PIC objects for shared libraries and
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# non-PIC objects for static libraries.
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#
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xc_lt_want_with_pic='default'
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#
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# User may have specified PIC preference.
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#
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case "x$with_pic" in @%:@ ((
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xno)
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xc_lt_want_with_pic='no'
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;;
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xyes)
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xc_lt_want_with_pic='yes'
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;;
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esac
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#
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# Default behavior on some systems where building a shared library out
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# of non-PIC compiled objects will fail with following linker error
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# "relocation R_X86_64_32 can not be used when making a shared object"
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# is to build PIC objects even for static libraries. This behavior may
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# be overriden using 'configure --disable-shared --without-pic'.
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#
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if test "x$xc_lt_want_with_pic" = 'xdefault'; then
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case $host_cpu in @%:@ (
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x86_64 | amd64 | ia64)
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case $host_os in @%:@ (
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linux* | freebsd*)
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xc_lt_want_with_pic='yes'
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;;
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esac
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;;
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esac
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fi
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#
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# Make libtool aware of current PIC preference taking in account that,
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# depending on host characteristics, libtool may modify PIC default
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# behavior to fit host system idiosyncrasies later in this script.
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#
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with_pic=$xc_lt_want_with_pic
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dnl
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m4_define([$0],[])dnl
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])
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dnl _XC_LIBTOOL_BODY
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl This macro performs embedding of libtool code into
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dnl configure script, regardless of libtool version in
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dnl use when generating configure script.
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m4_define([_XC_LIBTOOL_BODY],
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[dnl
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## ----------------------- ##
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## Start of libtool code ##
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## ----------------------- ##
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m4_ifdef([LT_INIT],
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[dnl
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LT_INIT([win32-dll])
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],[dnl
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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])dnl
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## --------------------- ##
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## End of libtool code ##
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## --------------------- ##
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dnl
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m4_define([$0], [])[]dnl
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])
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dnl _XC_CHECK_LT_BUILD_LIBRARIES
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks wether libtool shared and static libraries
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dnl are finally built depending on user input, default
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dnl behavior and knowledge that libtool has about host
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dnl characteristics.
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dnl Results stored in following shell variables:
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dnl xc_lt_build_shared
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dnl xc_lt_build_static
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m4_define([_XC_CHECK_LT_BUILD_LIBRARIES],
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[dnl
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#
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# Verify if finally libtool shared libraries will be built
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#
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case "x$enable_shared" in @%:@ ((
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xyes | xno)
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xc_lt_build_shared=$enable_shared
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;;
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*)
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AC_MSG_ERROR([unexpected libtool enable_shared value: $enable_shared])
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;;
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esac
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#
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# Verify if finally libtool static libraries will be built
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#
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case "x$enable_static" in @%:@ ((
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xyes | xno)
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xc_lt_build_static=$enable_static
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;;
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*)
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AC_MSG_ERROR([unexpected libtool enable_static value: $enable_static])
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;;
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esac
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dnl
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m4_define([$0],[])dnl
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])
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dnl _XC_CHECK_LT_SHLIB_USE_VERSION_INFO
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks if the -version-info linker flag must be
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dnl provided when building libtool shared libraries.
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dnl Result stored in xc_lt_shlib_use_version_info.
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m4_define([_XC_CHECK_LT_SHLIB_USE_VERSION_INFO],
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[dnl
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#
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# Verify if libtool shared libraries should be linked using flag -version-info
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#
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AC_MSG_CHECKING([whether to build shared libraries with -version-info])
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xc_lt_shlib_use_version_info='yes'
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if test "x$version_type" = 'xnone'; then
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xc_lt_shlib_use_version_info='no'
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fi
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case $host_os in @%:@ (
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amigaos*)
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xc_lt_shlib_use_version_info='yes'
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;;
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esac
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AC_MSG_RESULT([$xc_lt_shlib_use_version_info])
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dnl
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m4_define([$0], [])[]dnl
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])
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dnl _XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks if the -no-undefined linker flag must be
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dnl provided when building libtool shared libraries.
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dnl Result stored in xc_lt_shlib_use_no_undefined.
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m4_define([_XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED],
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[dnl
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#
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# Verify if libtool shared libraries should be linked using flag -no-undefined
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#
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AC_MSG_CHECKING([whether to build shared libraries with -no-undefined])
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xc_lt_shlib_use_no_undefined='no'
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if test "x$allow_undefined" = 'xno'; then
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xc_lt_shlib_use_no_undefined='yes'
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elif test "x$allow_undefined_flag" = 'xunsupported'; then
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xc_lt_shlib_use_no_undefined='yes'
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fi
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case $host_os in @%:@ (
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cygwin* | mingw* | pw32* | cegcc* | os2* | aix*)
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xc_lt_shlib_use_no_undefined='yes'
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;;
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esac
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AC_MSG_RESULT([$xc_lt_shlib_use_no_undefined])
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dnl
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m4_define([$0], [])[]dnl
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])
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dnl _XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks if the -mimpure-text linker flag must be
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dnl provided when building libtool shared libraries.
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dnl Result stored in xc_lt_shlib_use_mimpure_text.
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m4_define([_XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT],
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[dnl
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#
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# Verify if libtool shared libraries should be linked using flag -mimpure-text
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#
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AC_MSG_CHECKING([whether to build shared libraries with -mimpure-text])
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xc_lt_shlib_use_mimpure_text='no'
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case $host_os in @%:@ (
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solaris2*)
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if test "x$GCC" = 'xyes'; then
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xc_lt_shlib_use_mimpure_text='yes'
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fi
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;;
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esac
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AC_MSG_RESULT([$xc_lt_shlib_use_mimpure_text])
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dnl
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m4_define([$0], [])[]dnl
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])
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dnl _XC_CHECK_LT_BUILD_WITH_PIC
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks wether libtool shared and static libraries
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dnl would be built with PIC depending on user input,
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dnl default behavior and knowledge that libtool has
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dnl about host characteristics.
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dnl Results stored in following shell variables:
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dnl xc_lt_build_shared_with_pic
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dnl xc_lt_build_static_with_pic
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m4_define([_XC_CHECK_LT_BUILD_WITH_PIC],
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[dnl
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#
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# Find out wether libtool libraries would be built wit PIC
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#
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case "x$pic_mode" in @%:@ ((((
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xdefault)
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xc_lt_build_shared_with_pic='yes'
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xc_lt_build_static_with_pic='no'
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;;
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xyes)
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xc_lt_build_shared_with_pic='yes'
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xc_lt_build_static_with_pic='yes'
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;;
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xno)
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xc_lt_build_shared_with_pic='no'
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xc_lt_build_static_with_pic='no'
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;;
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*)
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xc_lt_build_shared_with_pic='unknown'
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xc_lt_build_static_with_pic='unknown'
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AC_MSG_WARN([unexpected libtool pic_mode value: $pic_mode])
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;;
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esac
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AC_MSG_CHECKING([whether to build shared libraries with PIC])
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AC_MSG_RESULT([$xc_lt_build_shared_with_pic])
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AC_MSG_CHECKING([whether to build static libraries with PIC])
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AC_MSG_RESULT([$xc_lt_build_static_with_pic])
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dnl
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m4_define([$0],[])dnl
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])
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dnl _XC_CHECK_LT_BUILD_SINGLE_VERSION
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Checks wether a libtool shared or static library
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dnl is finally built exclusively without the other.
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dnl Results stored in following shell variables:
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dnl xc_lt_build_shared_only
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dnl xc_lt_build_static_only
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m4_define([_XC_CHECK_LT_BUILD_SINGLE_VERSION],
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[dnl
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#
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# Verify if libtool shared libraries will be built while static not built
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#
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AC_MSG_CHECKING([whether to build shared libraries only])
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if test "$xc_lt_build_shared" = 'yes' &&
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test "$xc_lt_build_static" = 'no'; then
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xc_lt_build_shared_only='yes'
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else
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xc_lt_build_shared_only='no'
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fi
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AC_MSG_RESULT([$xc_lt_build_shared_only])
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#
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# Verify if libtool static libraries will be built while shared not built
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#
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AC_MSG_CHECKING([whether to build static libraries only])
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if test "$xc_lt_build_static" = 'yes' &&
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test "$xc_lt_build_shared" = 'no'; then
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xc_lt_build_static_only='yes'
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else
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xc_lt_build_static_only='no'
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fi
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AC_MSG_RESULT([$xc_lt_build_static_only])
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dnl
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m4_define([$0],[])dnl
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])
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dnl _XC_LIBTOOL_POSTLUDE
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dnl -------------------------------------------------
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dnl Private macro.
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dnl
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dnl Performs several checks related with libtool that
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dnl can not be done unless libtool code has already
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dnl been executed. See individual check descriptions
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dnl for further info.
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m4_define([_XC_LIBTOOL_POSTLUDE],
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[dnl
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_XC_CHECK_LT_BUILD_LIBRARIES
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_XC_CHECK_LT_SHLIB_USE_VERSION_INFO
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_XC_CHECK_LT_SHLIB_USE_NO_UNDEFINED
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_XC_CHECK_LT_SHLIB_USE_MIMPURE_TEXT
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_XC_CHECK_LT_BUILD_WITH_PIC
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_XC_CHECK_LT_BUILD_SINGLE_VERSION
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dnl
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m4_define([$0],[])dnl
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])
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dnl XC_LIBTOOL
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dnl -------------------------------------------------
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dnl Public macro.
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dnl
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dnl This macro embeds libtool machinery into configure
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dnl script, regardless of libtool version, and performs
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dnl several additional checks whose results can be used
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dnl later on.
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dnl
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dnl Usage of this macro ensures that generated configure
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dnl script uses equivalent logic irrespective of autoconf
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dnl or libtool version being used to generate configure
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dnl script.
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dnl
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dnl Results stored in following shell variables:
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dnl xc_lt_build_shared
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dnl xc_lt_build_static
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dnl xc_lt_shlib_use_version_info
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dnl xc_lt_shlib_use_no_undefined
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dnl xc_lt_shlib_use_mimpure_text
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dnl xc_lt_build_shared_with_pic
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dnl xc_lt_build_static_with_pic
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dnl xc_lt_build_shared_only
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dnl xc_lt_build_static_only
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AC_DEFUN([XC_LIBTOOL],
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[dnl
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AC_PREREQ([2.50])dnl
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dnl
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AC_BEFORE([$0],[LT_INIT])dnl
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AC_BEFORE([$0],[AC_PROG_LIBTOOL])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_WIN32_DLL])dnl
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dnl
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AC_REQUIRE([XC_CHECK_PATH_SEPARATOR])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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dnl
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_XC_LIBTOOL_PREAMBLE
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_XC_LIBTOOL_BODY
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_XC_LIBTOOL_POSTLUDE
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dnl
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m4_ifdef([AC_LIBTOOL_WIN32_DLL],
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[m4_undefine([AC_LIBTOOL_WIN32_DLL])])dnl
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m4_ifdef([AC_PROG_LIBTOOL],
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[m4_undefine([AC_PROG_LIBTOOL])])dnl
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m4_ifdef([LT_INIT],
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[m4_undefine([LT_INIT])])dnl
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dnl
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m4_define([$0],[])dnl
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])
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