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| author |   Michał Górny <mgorny@gentoo.org> | 2022-10-07 17:02:28 +0200 |
|---|---|---|
| committer | Michał Górny <mgorny@gentoo.org> | 2022-10-10 22:52:34 +0200 |
| commit | 2170307e8e09491f88b0c5f41d42aa096d1b3632 (patch) | |
| tree | 0efac14aa0c744ce277b77bcbd1f1cf30025822a /eclass/tests | |
| parent | dev-cpp/tbb: drop 2021.4.0, 2021.6.0 (diff) | |
| download | gentoo-2170307e8e09491f88b0c5f41d42aa096d1b3632.tar.gz gentoo-2170307e8e09491f88b0c5f41d42aa096d1b3632.tar.bz2 gentoo-2170307e8e09491f88b0c5f41d42aa096d1b3632.zip | |
toolchain-funcs.eclass: Add tc-get-cxx-stdlib() to get C++ stdlib
Add a new tc-get-cxx-stdlib() that attempts to get the C++ stdlib
variant used by the current C++ compiler. Currently it supports libc++
and libstdc++ (GCC's stdlib).
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Diffstat (limited to 'eclass/tests')
| -rwxr-xr-x | eclass/tests/toolchain-funcs.sh | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/eclass/tests/toolchain-funcs.sh b/eclass/tests/toolchain-funcs.sh index 56379b10cded..5a35a44ce018 100755 --- a/eclass/tests/toolchain-funcs.sh +++ b/eclass/tests/toolchain-funcs.sh @@ -198,4 +198,26 @@ for compiler in gcc clang not-really-a-compiler; do fi done +if type -P gcc &>/dev/null; then + tbegin "tc-get-cxx-stdlib (gcc)" + [[ $(CXX=g++ tc-get-cxx-stdlib) == libstdc++ ]] + tend $? +fi + +if type -P clang &>/dev/null; then + for stdlib in libc++ libstdc++; do + if clang++ -stdlib=${stdlib} -x c++ -E -P - &>/dev/null \ + <<<'#include <ciso646>' + then + tbegin "tc-get-cxx-stdlib (clang, ${stdlib})" + [[ $(CXX=clang++ CXXFLAGS="-stdlib=${stdlib}" tc-get-cxx-stdlib) == ${stdlib} ]] + tend $? + fi + done + + tbegin "tc-get-cxx-stdlib (clang, invalid)" + ! CXX=clang++ CXXFLAGS="-stdlib=invalid" tc-get-cxx-stdlib + tend $? +fi + texit |