diff options
Diffstat (limited to 'libbuild2/cc/guess.cxx')
| -rw-r--r-- | libbuild2/cc/guess.cxx | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx index 8be752f..474185a 100644 --- a/libbuild2/cc/guess.cxx +++ b/libbuild2/cc/guess.cxx @@ -2531,6 +2531,15 @@ namespace build2 // potentially different versions so compile with -v to see which one // gets picked up). // + // Also, lately, we started seeing __LIBCPP_VERSION values like 15.0.6 + // or 16.0.2 which would suggest the base is 15.0.5 or 16.0.1. But + // that assumption did not check out with the actual usage. For + // example, vanilla Clang 16 should no longer require -fmodules-ts but + // the Apple's version (that is presumably based on it) still does. So + // the theory here is that Apple upgrades to newer libc++ while + // keeping the old compiler. Which means we must be more conservative + // and assume something like 15.0.6 is still 14-based. + // // Note that this is Apple Clang version and not XCode version. // // 4.2 -> 3.2svn @@ -2551,17 +2560,16 @@ namespace build2 // 12.0.5 -> 10.0 (yes, seriously!) // 13.0.0 -> 11.0 // 13.1.6 -> 12.0 - // 14.0.0 -> 12.0 (__LIBCPP_VERSION=130000) - // 14.0.3 -> 15.0.5 (__LIBCPP_VERSION=150006) - // 15.0.0 -> 16.0.1 (__LIBCPP_VERSION=160002) + // 14.0.0 -> 12.0 (__LIBCPP_VERSION=130000) + // 14.0.3 -> 14.0 (__LIBCPP_VERSION=150006) + // 15.0.0 -> 15.0 (__LIBCPP_VERSION=160002) // uint64_t mj (var_ver->major); uint64_t mi (var_ver->minor); uint64_t pa (var_ver->patch); - - if (mj >= 15) {mj = 16; mi = 0; pa = 1;} - else if (mj == 14 && (mi > 0 || pa >= 3)) {mj = 15; mi = 0; pa = 5;} + if (mj >= 15) {mj = 15; mi = 0; pa = 0;} + else if (mj == 14 && (mi > 0 || pa >= 3)) {mj = 14; mi = 0; pa = 0;} else if (mj == 14 || (mj == 13 && mi >= 1)) {mj = 12; mi = 0; pa = 0;} else if (mj == 13) {mj = 11; mi = 0; pa = 0;} else if (mj == 12 && (mi > 0 || pa >= 5)) {mj = 10; mi = 0; pa = 0;} |