aboutsummaryrefslogtreecommitdiff
path: root/libbuild2/cc
diff options
context:
space:
mode:
authorBoris Kolpackov <boris@codesynthesis.com>2021-04-26 10:21:44 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2021-04-26 10:21:44 +0200
commitd55690a09ccc86b6ec285c9af2ab4f1921e84baf (patch)
tree537e3d6a70c82d3ca6f75e51c387b32ab64fb47d /libbuild2/cc
parent7a96e3b0a4bb573bb26ca8ff93b97900bdb486b3 (diff)
Detect and diagnose presence of certain GCC environment variables
Their presence is incompatible with what we are doing.
Diffstat (limited to 'libbuild2/cc')
-rw-r--r--libbuild2/cc/guess.cxx9
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)
{