[Olena-patches] olena: olena-2.0-895-g0774ab7 Use AX_CHECK_COMPILE_FLAG to check compiler support for `-pipe'.

* configure.ac: Here. --- ChangeLog | 6 ++++++ configure.ac | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index ee0aacd..ab7be69 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2014-06-27 Roland Levillain <roland(a)lrde.epita.fr> + Use AX_CHECK_COMPILE_FLAG to check compiler support for `-pipe'. + + * configure.ac: Here. + +2014-06-27 Roland Levillain <roland(a)lrde.epita.fr> + Avoid warnings about unused local typedefs. * m4/ax_check_compile_flag.m4: New. diff --git a/configure.ac b/configure.ac index 6dadbea..be32513 100644 --- a/configure.ac +++ b/configure.ac @@ -75,10 +75,11 @@ AC_PROG_CXX # Set `ICPC' to `yes' if the Intel C++ compiler is used. test $CXX --version 2>/dev/null | grep '\bICC\b' >/dev/null 2>&1 && ICPC=yes +# Try to use pipes between compiler stages to speed the compilation up. +AX_CHECK_COMPILE_FLAG([-pipe], [CXXFLAGS="$CXXFLAGS -pipe"]) + # GNU C++ compiler setup. if test "$GXX" = yes; then - # Speed up compiling times. - CXXFLAGS="$CXXFLAGS -pipe" # The code generated for mln::data::impl::memcpy__() by g++ 4.2 with # a high optimization level (`-O3') and without -- 1.7.10.4