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-rw-r--r--gl/m4/lib-prefix.m4241
1 files changed, 170 insertions, 71 deletions
diff --git a/gl/m4/lib-prefix.m4 b/gl/m4/lib-prefix.m4
index 60908e8..aefe7f7 100644
--- a/gl/m4/lib-prefix.m4
+++ b/gl/m4/lib-prefix.m4
@@ -1,18 +1,11 @@
1# lib-prefix.m4 serial 7 (gettext-0.18) 1# lib-prefix.m4 serial 20
2dnl Copyright (C) 2001-2005, 2008-2013 Free Software Foundation, Inc. 2dnl Copyright (C) 2001-2005, 2008-2023 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
6 6
7dnl From Bruno Haible. 7dnl From Bruno Haible.
8 8
9dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
10dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
11dnl require excessive bracketing.
12ifdef([AC_HELP_STRING],
13[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
14[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
15
16dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed 9dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
17dnl to access previously installed libraries. The basic assumption is that 10dnl to access previously installed libraries. The basic assumption is that
18dnl a user will want packages to use other packages he previously installed 11dnl a user will want packages to use other packages he previously installed
@@ -32,9 +25,9 @@ AC_DEFUN([AC_LIB_PREFIX],
32 eval additional_includedir=\"$includedir\" 25 eval additional_includedir=\"$includedir\"
33 eval additional_libdir=\"$libdir\" 26 eval additional_libdir=\"$libdir\"
34 ]) 27 ])
35 AC_LIB_ARG_WITH([lib-prefix], 28 AC_ARG_WITH([lib-prefix],
36[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib 29[[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
37 --without-lib-prefix don't search for libraries in includedir and libdir], 30 --without-lib-prefix don't search for libraries in includedir and libdir]],
38[ 31[
39 if test "X$withval" = "Xno"; then 32 if test "X$withval" = "Xno"; then
40 use_additional=no 33 use_additional=no
@@ -154,71 +147,177 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
154]) 147])
155 148
156dnl AC_LIB_PREPARE_MULTILIB creates 149dnl AC_LIB_PREPARE_MULTILIB creates
157dnl - a variable acl_libdirstem, containing the basename of the libdir, either 150dnl - a function acl_is_expected_elfclass, that tests whether standard input
158dnl "lib" or "lib64" or "lib/64", 151dn; has a 32-bit or 64-bit ELF header, depending on the host CPU ABI,
159dnl - a variable acl_libdirstem2, as a secondary possible value for 152dnl - 3 variables acl_libdirstem, acl_libdirstem2, acl_libdirstem3, containing
160dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or 153dnl the basename of the libdir to try in turn, either "lib" or "lib64" or
161dnl "lib/amd64". 154dnl "lib/64" or "lib32" or "lib/sparcv9" or "lib/amd64" or similar.
162AC_DEFUN([AC_LIB_PREPARE_MULTILIB], 155AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
163[ 156[
164 dnl There is no formal standard regarding lib and lib64. 157 dnl There is no formal standard regarding lib, lib32, and lib64.
165 dnl On glibc systems, the current practice is that on a system supporting 158 dnl On most glibc systems, the current practice is that on a system supporting
166 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under 159 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
167 dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine 160 dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. However, on
168 dnl the compiler's default mode by looking at the compiler's library search 161 dnl Arch Linux based distributions, it's the opposite: 32-bit libraries go
169 dnl path. If at least one of its elements ends in /lib64 or points to a 162 dnl under $prefix/lib32 and 64-bit libraries go under $prefix/lib.
170 dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. 163 dnl We determine the compiler's default mode by looking at the compiler's
171 dnl Otherwise we use the default, namely "lib". 164 dnl library search path. If at least one of its elements ends in /lib64 or
165 dnl points to a directory whose absolute pathname ends in /lib64, we use that
166 dnl for 64-bit ABIs. Similarly for 32-bit ABIs. Otherwise we use the default,
167 dnl namely "lib".
172 dnl On Solaris systems, the current practice is that on a system supporting 168 dnl On Solaris systems, the current practice is that on a system supporting
173 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under 169 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
174 dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or 170 dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
175 dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. 171 dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
176 AC_REQUIRE([AC_CANONICAL_HOST]) 172 AC_REQUIRE([AC_CANONICAL_HOST])
177 acl_libdirstem=lib 173 AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT])
178 acl_libdirstem2= 174
179 case "$host_os" in 175 AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf],
180 solaris*) 176 [AC_EGREP_CPP([Extensible Linking Format],
181 dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment 177 [#if defined __ELF__ || (defined __linux__ && defined __EDG__)
182 dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>. 178 Extensible Linking Format
183 dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." 179 #endif
184 dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the 180 ],
185 dnl symlink is missing, so we set acl_libdirstem2 too. 181 [gl_cv_elf=yes],
186 AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], 182 [gl_cv_elf=no])
187 [AC_EGREP_CPP([sixtyfour bits], [ 183 ])
188#ifdef _LP64 184 if test $gl_cv_elf = yes; then
189sixtyfour bits 185 # Extract the ELF class of a file (5th byte) in decimal.
190#endif 186 # Cf. https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
191 ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no]) 187 if od -A x < /dev/null >/dev/null 2>/dev/null; then
192 ]) 188 # Use POSIX od.
193 if test $gl_cv_solaris_64bit = yes; then 189 func_elfclass ()
194 acl_libdirstem=lib/64 190 {
195 case "$host_cpu" in 191 od -A n -t d1 -j 4 -N 1
196 sparc*) acl_libdirstem2=lib/sparcv9 ;; 192 }
197 i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; 193 else
198 esac 194 # Use BSD hexdump.
199 fi 195 func_elfclass ()
200 ;; 196 {
201 *) 197 dd bs=1 count=1 skip=4 2>/dev/null | hexdump -e '1/1 "%3d "'
202 searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` 198 echo
203 if test -n "$searchpath"; then 199 }
204 acl_save_IFS="${IFS= }"; IFS=":" 200 fi
205 for searchdir in $searchpath; do 201 # Use 'expr', not 'test', to compare the values of func_elfclass, because on
206 if test -d "$searchdir"; then 202 # Solaris 11 OpenIndiana and Solaris 11 OmniOS, the result is 001 or 002,
207 case "$searchdir" in 203 # not 1 or 2.
208 */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; 204changequote(,)dnl
209 */../ | */.. ) 205 case $HOST_CPU_C_ABI_32BIT in
210 # Better ignore directories of this form. They are misleading. 206 yes)
211 ;; 207 # 32-bit ABI.
212 *) searchdir=`cd "$searchdir" && pwd` 208 acl_is_expected_elfclass ()
213 case "$searchdir" in 209 {
214 */lib64 ) acl_libdirstem=lib64 ;; 210 expr "`func_elfclass | sed -e 's/[ ]//g'`" = 1 > /dev/null
215 esac ;; 211 }
216 esac 212 ;;
217 fi 213 no)
218 done 214 # 64-bit ABI.
219 IFS="$acl_save_IFS" 215 acl_is_expected_elfclass ()
220 fi 216 {
221 ;; 217 expr "`func_elfclass | sed -e 's/[ ]//g'`" = 2 > /dev/null
222 esac 218 }
223 test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" 219 ;;
220 *)
221 # Unknown.
222 acl_is_expected_elfclass ()
223 {
224 :
225 }
226 ;;
227 esac
228changequote([,])dnl
229 else
230 acl_is_expected_elfclass ()
231 {
232 :
233 }
234 fi
235
236 dnl Allow the user to override the result by setting acl_cv_libdirstems.
237 AC_CACHE_CHECK([for the common suffixes of directories in the library search path],
238 [acl_cv_libdirstems],
239 [dnl Try 'lib' first, because that's the default for libdir in GNU, see
240 dnl <https://www.gnu.org/prep/standards/html_node/Directory-Variables.html>.
241 acl_libdirstem=lib
242 acl_libdirstem2=
243 acl_libdirstem3=
244 case "$host_os" in
245 solaris*)
246 dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
247 dnl <https://docs.oracle.com/cd/E19253-01/816-5138/dev-env/index.html>.
248 dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
249 dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
250 dnl symlink is missing, so we set acl_libdirstem2 too.
251 if test $HOST_CPU_C_ABI_32BIT = no; then
252 acl_libdirstem2=lib/64
253 case "$host_cpu" in
254 sparc*) acl_libdirstem3=lib/sparcv9 ;;
255 i*86 | x86_64) acl_libdirstem3=lib/amd64 ;;
256 esac
257 fi
258 ;;
259 *)
260 dnl If $CC generates code for a 32-bit ABI, the libraries are
261 dnl surely under $prefix/lib or $prefix/lib32, not $prefix/lib64.
262 dnl Similarly, if $CC generates code for a 64-bit ABI, the libraries
263 dnl are surely under $prefix/lib or $prefix/lib64, not $prefix/lib32.
264 dnl Find the compiler's search path. However, non-system compilers
265 dnl sometimes have odd library search paths. But we can't simply invoke
266 dnl '/usr/bin/gcc -print-search-dirs' because that would not take into
267 dnl account the -m32/-m31 or -m64 options from the $CC or $CFLAGS.
268 searchpath=`(LC_ALL=C $CC $CPPFLAGS $CFLAGS -print-search-dirs) 2>/dev/null \
269 | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
270 if test $HOST_CPU_C_ABI_32BIT != no; then
271 # 32-bit or unknown ABI.
272 if test -d /usr/lib32; then
273 acl_libdirstem2=lib32
274 fi
275 fi
276 if test $HOST_CPU_C_ABI_32BIT != yes; then
277 # 64-bit or unknown ABI.
278 if test -d /usr/lib64; then
279 acl_libdirstem3=lib64
280 fi
281 fi
282 if test -n "$searchpath"; then
283 acl_save_IFS="${IFS= }"; IFS=":"
284 for searchdir in $searchpath; do
285 if test -d "$searchdir"; then
286 case "$searchdir" in
287 */lib32/ | */lib32 ) acl_libdirstem2=lib32 ;;
288 */lib64/ | */lib64 ) acl_libdirstem3=lib64 ;;
289 */../ | */.. )
290 # Better ignore directories of this form. They are misleading.
291 ;;
292 *) searchdir=`cd "$searchdir" && pwd`
293 case "$searchdir" in
294 */lib32 ) acl_libdirstem2=lib32 ;;
295 */lib64 ) acl_libdirstem3=lib64 ;;
296 esac ;;
297 esac
298 fi
299 done
300 IFS="$acl_save_IFS"
301 if test $HOST_CPU_C_ABI_32BIT = yes; then
302 # 32-bit ABI.
303 acl_libdirstem3=
304 fi
305 if test $HOST_CPU_C_ABI_32BIT = no; then
306 # 64-bit ABI.
307 acl_libdirstem2=
308 fi
309 fi
310 ;;
311 esac
312 test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
313 test -n "$acl_libdirstem3" || acl_libdirstem3="$acl_libdirstem"
314 acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2,$acl_libdirstem3"
315 ])
316 dnl Decompose acl_cv_libdirstems into acl_libdirstem, acl_libdirstem2, and
317 dnl acl_libdirstem3.
318changequote(,)dnl
319 acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'`
320 acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,//' -e 's/,.*//'`
321 acl_libdirstem3=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,[^,]*,//' -e 's/,.*//'`
322changequote([,])dnl
224]) 323])