http://llvm.org/bugs/show_bug.cgi?id=15207
Bug ID: 15207
Summary: modules do not work with relative -I paths
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
$ mkdir bar
$ touch bar/foo.h
$ echo 'module foo { header "foo.h" }' > bar/module.map
$ echo '@import foo;' > foo.mm
$ clang foo.mm -Xclang -fmodules -I bar -c
<module-includes>:1:9: fatal error: 'bar/foo.h' file not found
#import "bar/foo.h"
^
1 error generated.
$ clang foo.mm -Xclang -fmodules -I $PWD/bar -c
$
I believe the problem is that we run the module compilation from within the
directory containing the module.map file, but the -I paths are relative to the
directory containing the original source file.
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