diff options
| author | John Wiegley <johnw@newartisans.com> | 2012-04-28 05:23:36 -0500 |
|---|---|---|
| committer | John Wiegley <johnw@newartisans.com> | 2012-04-28 05:23:36 -0500 |
| commit | c8f58ea6860b1ce2d4f0d8d039fd3a58727743a5 (patch) | |
| tree | 1bb073ee58788a2f292d7364ae9cf438659fb5b0 /tools | |
| parent | 1a45d745438b4571d23c19a0c3fe97f68bccd4f0 (diff) | |
| download | fork-ledger-c8f58ea6860b1ce2d4f0d8d039fd3a58727743a5.tar.gz fork-ledger-c8f58ea6860b1ce2d4f0d8d039fd3a58727743a5.tar.bz2 fork-ledger-c8f58ea6860b1ce2d4f0d8d039fd3a58727743a5.zip | |
Added support for building with Clang and libc++ in C++11
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/configure.ac | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/configure.ac b/tools/configure.ac index f7623f62..99eb7df5 100644 --- a/tools/configure.ac +++ b/tools/configure.ac @@ -527,6 +527,34 @@ AC_CACHE_CHECK( AM_CONDITIONAL(HAVE_BOOST_TEST, test x$boost_test_avail_cv_ = xtrue) +# check for C++11 and libc++ +AC_CACHE_CHECK( + [if C++11 and libc++ are available], + [cpp11_avail_cv_], + [cpp11_save_cxxflags=$CXXFLAGS + cpp11_save_ldflags=$LDFLAGS + CXXFLAGS="-std=c++11 -stdlib=libc++ $CXXFLAGS" + LDFLAGS="-stdlib=libc++ $LDFLAGS" + AC_LANG_PUSH(C++) + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <boost/regex.hpp> + #include <iostream>]], + [[boost::regex foo_regexp("Hello, world!"); + for (auto i : "Hello, world") + std::cout << i << std::endl;]])], + [cpp11_avail_cv_=true], + [cpp11_avail_cv_=false]) + AC_LANG_POP + CXXFLAGS="$cpp11_save_cxxflags" + LDFLAGS="$cpp11_save_ldflags"]) + +if [test x$cpp11_avail_cv_ = xtrue]; then + AC_DEFINE([HAVE_CPP11], [1], [Whether C++11 and libc++ are available]) + CXXFLAGS="-std=c++11 -stdlib=libc++ $CXXFLAGS" + LDFLAGS="-stdlib=libc++ $LDFLAGS" +fi + # Checks for header files. AC_HEADER_STDC AC_HEADER_STAT |