From 14afc71a61638535cdb1fc8f491b910a442f3072 Mon Sep 17 00:00:00 2001 From: fanquake Date: Mon, 4 Jul 2022 10:23:22 +0100 Subject: [PATCH] build: remove Boost lib detection from ax_boost_base We don't use / link against Boost libraries, so there is no reason for us to try and detect them / muddle with LDFLAGS. --- build-aux/m4/ax_boost_base.m4 | 61 ++++------------------------------- 1 file changed, 7 insertions(+), 54 deletions(-) diff --git a/build-aux/m4/ax_boost_base.m4 b/build-aux/m4/ax_boost_base.m4 index 6c944b160ff..f6620882a21 100644 --- a/build-aux/m4/ax_boost_base.m4 +++ b/build-aux/m4/ax_boost_base.m4 @@ -8,7 +8,7 @@ # # DESCRIPTION # -# Test for the Boost C++ libraries of a particular version (or newer) +# Test for the Boost C++ headers of a particular version (or newer) # # If no path to the installed boost library is given the macro searchs # under /usr, /usr/local, /opt, /opt/local and /opt/homebrew and evaluates @@ -17,12 +17,14 @@ # # This macro calls: # -# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) +# AC_SUBST(BOOST_CPPFLAGS) # # And sets: # # HAVE_BOOST # +# Note that this macro has been modified compared to upstream. +# # LICENSE # # Copyright (c) 2008 Thomas Porschberg @@ -59,26 +61,10 @@ AC_ARG_WITH([boost], ], [want_boost="yes"]) - -AC_ARG_WITH([boost-libdir], - [AS_HELP_STRING([--with-boost-libdir=LIB_DIR], - [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.])], - [ - AS_IF([test -d "$withval"], - [_AX_BOOST_BASE_boost_lib_path="$withval"], - [AC_MSG_ERROR([--with-boost-libdir expected directory name])]) - ], - [_AX_BOOST_BASE_boost_lib_path=""]) - -BOOST_LDFLAGS="" BOOST_CPPFLAGS="" AS_IF([test "x$want_boost" = "xyes"], [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])]) AC_SUBST(BOOST_CPPFLAGS) -AC_SUBST(BOOST_LDFLAGS) ]) @@ -139,7 +125,6 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"]) 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" ],[ AC_MSG_RESULT([yes]) - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"; break; ], [AC_MSG_RESULT([no])]) @@ -156,27 +141,17 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ for libsubdir in $search_libsubdirs ; do if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi done - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include" break; fi done ]) - dnl overwrite ld flags if we have required special directory with - dnl --with-boost-libdir parameter - AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"], - [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"]) - - AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)]) + AC_MSG_CHECKING([for Boost headers >= $1 ($WANT_BOOST_VERSION)]) CPPFLAGS_SAVED="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" export CPPFLAGS - LDFLAGS_SAVED="$LDFLAGS" - LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" - export LDFLAGS - AC_REQUIRE([AC_PROG_CXX]) AC_LANG_PUSH(C++) AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[ @@ -193,11 +168,8 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ dnl built and installed without the --layout=system option or for a staged(not installed) version if test "x$succeeded" != "xyes" ; then CPPFLAGS="$CPPFLAGS_SAVED" - LDFLAGS="$LDFLAGS_SAVED" BOOST_CPPFLAGS= - if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then - BOOST_LDFLAGS= - fi + _version=0 if test -n "$_AX_BOOST_BASE_boost_path" ; then if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then @@ -216,14 +188,6 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path" fi fi - dnl if we found something and BOOST_LDFLAGS was unset before - dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here. - if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then - for libsubdir in $libsubdirs ; do - if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir" - fi fi else if test "x$cross_compiling" != "xyes" ; then @@ -242,12 +206,6 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" - if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then - for libsubdir in $libsubdirs ; do - if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$best_path/$libsubdir" - fi fi if test -n "$BOOST_ROOT" ; then @@ -259,10 +217,9 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` V_CHECK=`expr $stage_version_shorten \>\= $_version` - if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then + if test "x$V_CHECK" = "x1" ; then AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) BOOST_CPPFLAGS="-I$BOOST_ROOT" - BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" fi fi fi @@ -270,8 +227,6 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" export CPPFLAGS - LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" - export LDFLAGS AC_LANG_PUSH(C++) AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[ @@ -298,6 +253,4 @@ AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ fi CPPFLAGS="$CPPFLAGS_SAVED" - LDFLAGS="$LDFLAGS_SAVED" - ])