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Diffstat (limited to 'gnulib/m4/relocatable.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/relocatable.m4 | 105 |
2 files changed, 105 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/relocatable.m4 b/gnulib/m4/relocatable.m4 new file mode 100644 index 0000000..32d177f --- /dev/null +++ b/gnulib/m4/relocatable.m4 @@ -0,0 +1,105 @@ +# relocatable.m4 serial 17 +dnl Copyright (C) 2003, 2005-2007, 2009-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl gl_RELOCATABLE([RELOCWRAPPER-DIR]) +dnl ---------------------------------------------------------- +dnl Support for relocatable programs. +dnl Supply RELOCWRAPPER-DIR as the directory where relocwrapper.c may be found. +AC_DEFUN([gl_RELOCATABLE], +[ + AC_REQUIRE([gl_RELOCATABLE_BODY]) + gl_RELOCATABLE_LIBRARY + : ${RELOCATABLE_CONFIG_H_DIR='$(top_builddir)'} + RELOCATABLE_SRC_DIR="\$(top_srcdir)/$gl_source_base" + RELOCATABLE_BUILD_DIR="\$(top_builddir)/$gl_source_base" +]) +dnl The guts of gl_RELOCATABLE. Needs to be expanded only once. +AC_DEFUN([gl_RELOCATABLE_BODY], +[ + AC_REQUIRE([AC_PROG_INSTALL]) + dnl This AC_BEFORE invocation leads to unjustified autoconf warnings + dnl when gl_RELOCATABLE_BODY is invoked more than once. + dnl We need this AC_BEFORE because AC_PROG_INSTALL is documented to + dnl overwrite earlier settings of INSTALL and INSTALL_PROGRAM (even + dnl though in autoconf-2.52..2.60 it doesn't do so), but we want this + dnl macro's setting of INSTALL_PROGRAM to persist. + AC_BEFORE([AC_PROG_INSTALL],[gl_RELOCATABLE_BODY]) + AC_REQUIRE([AC_LIB_LIBPATH]) + AC_REQUIRE([gl_RELOCATABLE_LIBRARY_BODY]) + is_noop=no + use_elf_origin_trick=no + use_wrapper=no + if test $RELOCATABLE = yes; then + # --enable-relocatable implies --disable-rpath + enable_rpath=no + AC_CHECK_HEADERS([mach-o/dyld.h]) + AC_CHECK_FUNCS([_NSGetExecutablePath]) + case "$host_os" in + mingw*) is_noop=yes ;; + linux*) use_elf_origin_trick=yes ;; + esac + if test $is_noop = yes; then + RELOCATABLE_LDFLAGS=: + AC_SUBST([RELOCATABLE_LDFLAGS]) + else + if test $use_elf_origin_trick = yes; then + dnl Use the dynamic linker's support for relocatable programs. + case "$ac_aux_dir" in + /*) reloc_ldflags="$ac_aux_dir/reloc-ldflags" ;; + *) reloc_ldflags="\$(top_builddir)/$ac_aux_dir/reloc-ldflags" ;; + esac + RELOCATABLE_LDFLAGS="\"$reloc_ldflags\" \"\$(host)\" \"\$(RELOCATABLE_LIBRARY_PATH)\"" + AC_SUBST([RELOCATABLE_LDFLAGS]) + else + use_wrapper=yes + dnl Unfortunately we cannot define INSTALL_PROGRAM to a command + dnl consisting of more than one word - libtool doesn't support this. + dnl So we abuse the INSTALL_PROGRAM_ENV hook, originally meant for the + dnl 'install-strip' target. + INSTALL_PROGRAM_ENV="RELOC_LIBRARY_PATH_VAR=\"$shlibpath_var\" RELOC_LIBRARY_PATH_VALUE=\"\$(RELOCATABLE_LIBRARY_PATH)\" RELOC_PREFIX=\"\$(prefix)\" RELOC_DESTDIR=\"\$(DESTDIR)\" RELOC_COMPILE_COMMAND=\"\$(CC) \$(CPPFLAGS) \$(CFLAGS) \$(LDFLAGS)\" RELOC_SRCDIR=\"\$(RELOCATABLE_SRC_DIR)\" RELOC_BUILDDIR=\"\$(RELOCATABLE_BUILD_DIR)\" RELOC_CONFIG_H_DIR=\"\$(RELOCATABLE_CONFIG_H_DIR)\" RELOC_EXEEXT=\"\$(EXEEXT)\" RELOC_STRIP_PROG=\"\$(RELOCATABLE_STRIP)\" RELOC_INSTALL_PROG=\"$INSTALL_PROGRAM\"" + AC_SUBST([INSTALL_PROGRAM_ENV]) + case "$ac_aux_dir" in + /*) INSTALL_PROGRAM="$ac_aux_dir/install-reloc" ;; + *) INSTALL_PROGRAM="\$(top_builddir)/$ac_aux_dir/install-reloc" ;; + esac + fi + fi + fi + AM_CONDITIONAL([RELOCATABLE_VIA_LD], + [test $is_noop = yes || test $use_elf_origin_trick = yes]) + AM_CONDITIONAL([RELOCATABLE_VIA_WRAPPER], [test $use_wrapper = yes]) + + dnl RELOCATABLE_LIBRARY_PATH can be set in configure.ac. Default is empty. + AC_SUBST([RELOCATABLE_LIBRARY_PATH]) + + AC_SUBST([RELOCATABLE_CONFIG_H_DIR]) + AC_SUBST([RELOCATABLE_SRC_DIR]) + AC_SUBST([RELOCATABLE_BUILD_DIR]) + + dnl Ensure RELOCATABLE_STRIP is defined in Makefiles (at least those + dnl generated by automake), with value ':'. + RELOCATABLE_STRIP=':' + AC_SUBST([RELOCATABLE_STRIP]) +]) + +dnl Determine the platform dependent parameters needed to use relocatability: +dnl shlibpath_var. +AC_DEFUN([AC_LIB_LIBPATH], +[ + AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD + AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host + AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir + AC_CACHE_CHECK([for shared library path variable], [acl_cv_libpath], [ + LD="$LD" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.libpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_libpath=${acl_cv_shlibpath_var:-none} + ]) + shlibpath_var="$acl_cv_shlibpath_var" +]) |