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-rw-r--r--libbuild2/cc/guess.cxx36
-rw-r--r--libbuild2/cxx/init.cxx3
2 files changed, 22 insertions, 17 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx
index a2a6397..99599f9 100644
--- a/libbuild2/cc/guess.cxx
+++ b/libbuild2/cc/guess.cxx
@@ -2239,6 +2239,10 @@ namespace build2
//
// https://gist.github.com/yamaya/2924292
//
+ // Specifically, we now look in the libc++'s __config file for the
+ // _LIBCPP_VERSION and use the previous version as a conservative
+ // estimate.
+ //
// Note that this is Apple Clang version and not XCode version.
//
// 4.2 -> 3.2svn
@@ -2254,23 +2258,27 @@ namespace build2
// 9.1.0 -> 5.0
// 10.0.0 -> 6.0
// 11.0.0 -> 7.0
+ // 11.0.3 -> 8.0
//
uint64_t mj (var_ver->major);
uint64_t mi (var_ver->minor);
-
- if (mj >= 11) {mj = 7; mi = 0;}
- else if (mj == 10) {mj = 6; mi = 0;}
- else if (mj == 9 && mi >= 1) {mj = 5; mi = 0;}
- else if (mj == 9) {mj = 4; mi = 0;}
- else if (mj == 8) {mj = 3; mi = 9;}
- else if (mj == 7 && mi >= 3) {mj = 3; mi = 8;}
- else if (mj == 7) {mj = 3; mi = 7;}
- else if (mj == 6 && mi >= 1) {mj = 3; mi = 5;}
- else if (mj == 6) {mj = 3; mi = 4;}
- else if (mj == 5 && mi >= 1) {mj = 3; mi = 3;}
- else if (mj == 5) {mj = 3; mi = 2;}
- else if (mj == 4 && mi >= 2) {mj = 3; mi = 1;}
- else {mj = 3; mi = 0;}
+ uint64_t pa (var_ver->patch);
+
+ if (mj >= 12) {mj = 8; mi = 0;}
+ else if (mj == 11 && (mi > 0 || pa >= 3)) {mj = 8; mi = 0;}
+ else if (mj == 11) {mj = 7; mi = 0;}
+ else if (mj == 10) {mj = 6; mi = 0;}
+ else if (mj == 9 && mi >= 1) {mj = 5; mi = 0;}
+ else if (mj == 9) {mj = 4; mi = 0;}
+ else if (mj == 8) {mj = 3; mi = 9;}
+ else if (mj == 7 && mi >= 3) {mj = 3; mi = 8;}
+ else if (mj == 7) {mj = 3; mi = 7;}
+ else if (mj == 6 && mi >= 1) {mj = 3; mi = 5;}
+ else if (mj == 6) {mj = 3; mi = 4;}
+ else if (mj == 5 && mi >= 1) {mj = 3; mi = 3;}
+ else if (mj == 5) {mj = 3; mi = 2;}
+ else if (mj == 4 && mi >= 2) {mj = 3; mi = 1;}
+ else {mj = 3; mi = 0;}
ver = compiler_version {
to_string (mj) + '.' + to_string (mi) + ".0",
diff --git a/libbuild2/cxx/init.cxx b/libbuild2/cxx/init.cxx
index 65d13cf..866ec12 100644
--- a/libbuild2/cxx/init.cxx
+++ b/libbuild2/cxx/init.cxx
@@ -337,9 +337,6 @@ namespace build2
{
// Enable starting with Clang 6.0.0.
//
- // Note that we are using Apple to vanilla Clang version re-map
- // from above so may need to update things there as well.
- //
// Also see Clang modules support hack in cc::compile.
//
// @@ Clang 9 enables modules by default in C++2a. We should