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Do not require libm when searching for system boost

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Doing so breaks building under Haiku, which does not have libm.

See ticket #7568 for details.
This commit is contained in:
Jean-Marc Lasgouttes 2015-06-11 17:47:07 +02:00
parent 7da18d9db9
commit ba13a832d6
1 changed files with 4 additions and 4 deletions
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8
config/lyxinclude.m4
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@ -388,7 +388,7 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
save_LIBS=$LIBS
AC_MSG_CHECKING([for multithreaded boost libraries])
LIBS="$save_LIBS -lboost_signals-mt -lm $LIBTHREAD"
LIBS="$save_LIBS -lboost_signals-mt $LIBTHREAD"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <boost/signal.hpp>],
[boost::signal<void ()> s;])],
@ -396,7 +396,7 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
BOOST_MT="-mt"],
[AC_MSG_RESULT([no])
AC_MSG_CHECKING([for plain boost libraries])
LIBS="$save_LIBS -lboost_signals -lm"
LIBS="$save_LIBS -lboost_signals"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <boost/signal.hpp>],
[boost::signal<void ()> s;])],
@ -459,9 +459,9 @@ AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
if test x$ac_cv_header_mythes_h != xyes; then
AC_CHECK_HEADER(mythes/mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location="<mythes/mythes.hxx>"])
fi
AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no], [-lm])
AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no])
if test x$lyx_mythes != xyes; then
AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no], [-lm])
AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no])
fi
AC_LANG_POP(C++)
if test x$lyx_mythes != xyes -o x$ac_cv_header_mythes_h != xyes; then