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authorDaniel Dunbar <daniel@zuster.org>2011-02-02 21:11:35 +0000
committerDaniel Dunbar <daniel@zuster.org>2011-02-02 21:11:35 +0000
commit322c29fefe7fa33f03273136eb5f8b7f5b4df7c0 (patch)
tree3ff649643a61df2d15924ed8052a76bee91824d5 /lib/Driver/Tools.cpp
parentb34d69b9292534c1c574f168f0ac10aea652adca (diff)
clang: Add support for a CC_PRINT_HEADERS environment variable, which mirrors
CC_PRINT_OPTIONS and can be used to get some out-of-band information on header usage from a build. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124751 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
-rw-r--r--lib/Driver/Tools.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 61d1bbe48e..d1d8873c3a 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1127,6 +1127,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddAllArgs(CmdArgs, options::OPT_v);
Args.AddLastArg(CmdArgs, options::OPT_H);
+ if (D.CCPrintHeaders) {
+ CmdArgs.push_back("-header-include-file");
+ CmdArgs.push_back(D.CCPrintHeadersFilename ?
+ D.CCPrintHeadersFilename : "-");
+ }
Args.AddLastArg(CmdArgs, options::OPT_P);
Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);