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fanquakefanquake
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build: update boost macros to latest upstream
Fixes: #16803 I opened an [upstream PR](autoconf-archive/autoconf-archive#197) to improve the Boost error reporting, so pull the latest macros. Github-Pull: #16870 Rebased-From: bb99c4e
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-203
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6 files changed

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‎build-aux/m4/ax_boost_base.m4‎

Lines changed: 132 additions & 121 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
# ===========================================================================
2-
# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
2+
# https://www.gnu.org/software/autoconf-archive/ax_boost_base.html
33
# ===========================================================================
44
#
55
# SYNOPSIS
@@ -33,7 +33,15 @@
3333
# and this notice are preserved. This file is offered as-is, without any
3434
# warranty.
3535

36-
#serial 27
36+
#serial 47
37+
38+
# example boost program (need to pass version)
39+
m4_define([_AX_BOOST_BASE_PROGRAM],
40+
[AC_LANG_PROGRAM([[
41+
#include <boost/version.hpp>
42+
]],[[
43+
(void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))]));
44+
]])])
3745

3846
AC_DEFUN([AX_BOOST_BASE],
3947
[
@@ -44,110 +52,122 @@ AC_ARG_WITH([boost],
4452
or disable it (ARG=no)
4553
@<:@ARG=yes@:>@ ])],
4654
[
47-
if test "$withval" = "no"; then
48-
want_boost="no"
49-
elif test "$withval" = "yes"; then
50-
want_boost="yes"
51-
ac_boost_path=""
52-
else
53-
want_boost="yes"
54-
ac_boost_path="$withval"
55-
fi
55+
AS_CASE([$withval],
56+
[no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
57+
[yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
58+
[want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
5659
],
5760
[want_boost="yes"])
5861
5962
6063
AC_ARG_WITH([boost-libdir],
61-
AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
62-
[Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
63-
[
64-
if test -d "$withval"
65-
then
66-
ac_boost_lib_path="$withval"
67-
else
68-
AC_MSG_ERROR(--with-boost-libdir expected directory name)
69-
fi
70-
],
71-
[ac_boost_lib_path=""]
72-
)
64+
[AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
65+
[Force given directory for boost libraries.
66+
Note that this will override library path detection,
67+
so use this parameter only if default library detection fails
68+
and you know exactly where your boost libraries are located.])],
69+
[
70+
AS_IF([test -d "$withval"],
71+
[_AX_BOOST_BASE_boost_lib_path="$withval"],
72+
[AC_MSG_ERROR([--with-boost-libdir expected directory name])])
73+
],
74+
[_AX_BOOST_BASE_boost_lib_path=""])
7375
74-
if test "x$want_boost" = "xyes"; then
75-
boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
76-
boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
77-
boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
78-
boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
79-
boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
80-
if test "x$boost_lib_version_req_sub_minor" = "x" ; then
81-
boost_lib_version_req_sub_minor="0"
82-
fi
83-
WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
84-
AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
76+
BOOST_LDFLAGS=""
77+
BOOST_CPPFLAGS=""
78+
AS_IF([test "x$want_boost" = "xyes"],
79+
[_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
80+
AC_SUBST(BOOST_CPPFLAGS)
81+
AC_SUBST(BOOST_LDFLAGS)
82+
])
83+
84+
85+
# convert a version string in $2 to numeric and affect to polymorphic var $1
86+
AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[
87+
AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
88+
_AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
89+
_AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
90+
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
91+
[AC_MSG_ERROR([You should at least specify libboost major version])])
92+
_AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
93+
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
94+
[_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
95+
_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
96+
AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
97+
[_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
98+
_AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor`
99+
AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
100+
])
101+
102+
dnl Run the detection of boost should be run only if $want_boost
103+
AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
104+
_AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
85105
succeeded=no
86106
107+
108+
AC_REQUIRE([AC_CANONICAL_HOST])
87109
dnl On 64-bit systems check for system libraries in both lib64 and lib.
88110
dnl The former is specified by FHS, but e.g. Debian does not adhere to
89111
dnl this (as it rises problems for generic multi-arch support).
90112
dnl The last entry in the list is chosen by default when no libraries
91113
dnl are found, e.g. when only header-only libraries are installed!
92-
libsubdirs="lib"
93-
ax_arch=`uname -m`
94-
case $ax_arch in
95-
x86_64)
96-
libsubdirs="lib64 libx32 lib lib64"
97-
;;
98-
ppc64|s390x|sparc64|aarch64|ppc64le)
99-
libsubdirs="lib64 lib lib64"
100-
;;
101-
esac
114+
AS_CASE([${host_cpu}],
115+
[x86_64],[libsubdirs="lib64 libx32 lib lib64"],
116+
[mips*64*],[libsubdirs="lib64 lib32 lib lib64"],
117+
[ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64],[libsubdirs="lib64 lib lib64"],
118+
[libsubdirs="lib"]
119+
)
102120
103121
dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
104122
dnl them priority over the other paths since, if libs are found there, they
105123
dnl are almost assuredly the ones desired.
106-
AC_REQUIRE([AC_CANONICAL_HOST])
107-
libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs"
108-
109-
case ${host_cpu} in
110-
i?86)
111-
libsubdirs="lib/i386-${host_os} $libsubdirs"
112-
;;
113-
esac
114-
115-
dnl some arches may advertise a cpu type that doesn't line up with their
116-
dnl prefix's cpu type. For example, uname may report armv7l while libs are
117-
dnl installed to /usr/lib/arm-linux-gnueabihf. Try getting the compiler's
118-
dnl value for an extra chance of finding the correct path.
119-
libsubdirs="lib/`$CXX -dumpmachine 2>/dev/null` $libsubdirs"
124+
AS_CASE([${host_cpu}],
125+
[i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
126+
[multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
127+
)
120128
121129
dnl first we check the system location for boost libraries
122130
dnl this location ist chosen if boost libraries are installed with the --layout=system option
123131
dnl or if you install boost with RPM
124-
if test "$ac_boost_path" != ""; then
125-
BOOST_CPPFLAGS="-I$ac_boost_path/include"
126-
for ac_boost_path_tmp in $libsubdirs; do
127-
if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
128-
BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
129-
break
130-
fi
131-
done
132-
elif test "$cross_compiling" != yes; then
133-
for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
134-
if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
135-
for libsubdir in $libsubdirs ; do
136-
if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
132+
AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
133+
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
134+
AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
135+
AC_MSG_RESULT([yes])
136+
BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
137+
for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
138+
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
139+
AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[
140+
AC_MSG_RESULT([yes])
141+
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp";
142+
break;
143+
],
144+
[AC_MSG_RESULT([no])])
145+
done],[
146+
AC_MSG_RESULT([no])])
147+
],[
148+
if test X"$cross_compiling" = Xyes; then
149+
search_libsubdirs=$multiarch_libsubdir
150+
else
151+
search_libsubdirs="$multiarch_libsubdir $libsubdirs"
152+
fi
153+
for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
154+
if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
155+
for libsubdir in $search_libsubdirs ; do
156+
if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
137157
done
138-
BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
139-
BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
158+
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir"
159+
BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
140160
break;
141161
fi
142162
done
143-
fi
163+
])
144164
145165
dnl overwrite ld flags if we have required special directory with
146166
dnl --with-boost-libdir parameter
147-
if test "$ac_boost_lib_path" != ""; then
148-
BOOST_LDFLAGS="-L$ac_boost_lib_path"
149-
fi
167+
AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"],
168+
[BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"])
150169
170+
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)])
151171
CPPFLAGS_SAVED="$CPPFLAGS"
152172
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
153173
export CPPFLAGS
@@ -158,15 +178,7 @@ if test "x$want_boost" = "xyes"; then
158178
159179
AC_REQUIRE([AC_PROG_CXX])
160180
AC_LANG_PUSH(C++)
161-
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
162-
@%:@include <boost/version.hpp>
163-
]], [[
164-
#if BOOST_VERSION >= $WANT_BOOST_VERSION
165-
// Everything is okay
166-
#else
167-
# error Boost version is too old
168-
#endif
169-
]])],[
181+
AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
170182
AC_MSG_RESULT(yes)
171183
succeeded=yes
172184
found_system=yes
@@ -178,56 +190,66 @@ if test "x$want_boost" = "xyes"; then
178190
179191
dnl if we found no boost with system layout we search for boost libraries
180192
dnl built and installed without the --layout=system option or for a staged(not installed) version
181-
if test "x$succeeded" != "xyes"; then
193+
if test "x$succeeded" != "xyes" ; then
182194
CPPFLAGS="$CPPFLAGS_SAVED"
183195
LDFLAGS="$LDFLAGS_SAVED"
184196
BOOST_CPPFLAGS=
185-
BOOST_LDFLAGS=
197+
if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
198+
BOOST_LDFLAGS=
199+
fi
186200
_version=0
187-
if test "$ac_boost_path" != ""; then
188-
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
189-
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
190-
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
201+
if test -n "$_AX_BOOST_BASE_boost_path" ; then
202+
if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
203+
for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
204+
_version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
191205
V_CHECK=`expr $_version_tmp \> $_version`
192-
if test "$V_CHECK" = "1" ; then
206+
if test "x$V_CHECK" = "x1" ; then
193207
_version=$_version_tmp
194208
fi
195209
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
196-
BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
210+
BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
197211
done
198212
dnl if nothing found search for layout used in Windows distributions
199213
if test -z "$BOOST_CPPFLAGS"; then
200-
if test -d "$ac_boost_path/boost" && test -r "$ac_boost_path/boost"; then
201-
BOOST_CPPFLAGS="-I$ac_boost_path"
214+
if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
215+
BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
202216
fi
203217
fi
218+
dnl if we found something and BOOST_LDFLAGS was unset before
219+
dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here.
220+
if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then
221+
for libsubdir in $libsubdirs ; do
222+
if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
223+
done
224+
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir"
225+
fi
204226
fi
205227
else
206-
if test "$cross_compiling" != yes; then
207-
for ac_boost_path in /usr /usr/local /opt /opt/local ; do
208-
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
209-
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
210-
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
228+
if test "x$cross_compiling" != "xyes" ; then
229+
for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
230+
if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
231+
for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
232+
_version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
211233
V_CHECK=`expr $_version_tmp \> $_version`
212-
if test "$V_CHECK" = "1" ; then
234+
if test "x$V_CHECK" = "x1" ; then
213235
_version=$_version_tmp
214-
best_path=$ac_boost_path
236+
best_path=$_AX_BOOST_BASE_boost_path
215237
fi
216238
done
217239
fi
218240
done
219241
220242
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
221243
BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
222-
if test "$ac_boost_lib_path" = ""; then
244+
if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
223245
for libsubdir in $libsubdirs ; do
224246
if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
225247
done
226248
BOOST_LDFLAGS="-L$best_path/$libsubdir"
227249
fi
228250
fi
229251
230-
if test "x$BOOST_ROOT" != "x"; then
252+
if test -n "$BOOST_ROOT" ; then
231253
for libsubdir in $libsubdirs ; do
232254
if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
233255
done
@@ -236,7 +258,7 @@ if test "x$want_boost" = "xyes"; then
236258
stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
237259
stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
238260
V_CHECK=`expr $stage_version_shorten \>\= $_version`
239-
if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
261+
if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
240262
AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
241263
BOOST_CPPFLAGS="-I$BOOST_ROOT"
242264
BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
@@ -251,15 +273,7 @@ if test "x$want_boost" = "xyes"; then
251273
export LDFLAGS
252274
253275
AC_LANG_PUSH(C++)
254-
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
255-
@%:@include <boost/version.hpp>
256-
]], [[
257-
#if BOOST_VERSION >= $WANT_BOOST_VERSION
258-
// Everything is okay
259-
#else
260-
# error Boost version is too old
261-
#endif
262-
]])],[
276+
AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
263277
AC_MSG_RESULT(yes)
264278
succeeded=yes
265279
found_system=yes
@@ -268,24 +282,21 @@ if test "x$want_boost" = "xyes"; then
268282
AC_LANG_POP([C++])
269283
fi
270284
271-
if test "$succeeded" != "yes" ; then
272-
if test "$_version" = "0" ; then
273-
AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
285+
if test "x$succeeded" != "xyes" ; then
286+
if test "x$_version" = "x0" ; then
287+
AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
274288
else
275289
AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
276290
fi
277291
# execute ACTION-IF-NOT-FOUND (if present):
278292
ifelse([$3], , :, [$3])
279293
else
280-
AC_SUBST(BOOST_CPPFLAGS)
281-
AC_SUBST(BOOST_LDFLAGS)
282294
AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
283295
# execute ACTION-IF-FOUND (if present):
284296
ifelse([$2], , :, [$2])
285297
fi
286298
287299
CPPFLAGS="$CPPFLAGS_SAVED"
288300
LDFLAGS="$LDFLAGS_SAVED"
289-
fi
290301
291302
])

‎build-aux/m4/ax_boost_chrono.m4‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -29,7 +29,7 @@
2929
# and this notice are preserved. This file is offered as-is, without any
3030
# warranty.
3131

32-
#serial 4
32+
#serial 5
3333

3434
AC_DEFUN([AX_BOOST_CHRONO],
3535
[
@@ -105,7 +105,7 @@ AC_DEFUN([AX_BOOST_CHRONO],
105105
106106
fi
107107
if test "x$ax_lib" = "x"; then
108-
AC_MSG_ERROR(Could not find a version of the library!)
108+
AC_MSG_ERROR(Could not find a version of the Boost::Chrono library!)
109109
fi
110110
if test "x$link_chrono" = "xno"; then
111111
AC_MSG_ERROR(Could not link against $ax_lib !)

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