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| author | Boris Kolpackov <boris@codesynthesis.com> | 2021-04-26 10:21:44 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2021-04-26 10:21:44 +0200 |
| commit | d55690a09ccc86b6ec285c9af2ab4f1921e84baf (patch) | |
| tree | 537e3d6a70c82d3ca6f75e51c387b32ab64fb47d /libbuild2/cc/guess.cxx | |
| parent | 7a96e3b0a4bb573bb26ca8ff93b97900bdb486b3 (diff) | |
Detect and diagnose presence of certain GCC environment variables
Their presence is incompatible with what we are doing.
Diffstat (limited to 'libbuild2/cc/guess.cxx')
| -rw-r--r-- | libbuild2/cc/guess.cxx | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx index ff96466..09e14fa 100644 --- a/libbuild2/cc/guess.cxx +++ b/libbuild2/cc/guess.cxx @@ -1815,7 +1815,8 @@ namespace build2 // See "Environment Variables Affecting GCC". // - // @@ TODO: It feels like we should unset the following variables: + // Note that we also check below that the following variables are not set + // since they would interfere with what we are doing. // // DEPENDENCIES_OUTPUT // SUNPRO_DEPENDENCIES @@ -2028,6 +2029,12 @@ namespace build2 // Environment. // + if (getenv ("DEPENDENCIES_OUTPUT")) + fail << "GCC DEPENDENCIES_OUTPUT environment variable is set"; + + if (getenv ("SUNPRO_DEPENDENCIES")) + fail << "GCC SUNPRO_DEPENDENCIES environment variable is set"; + const char* const* c_env (nullptr); switch (xl) { |