diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/kbuild/makefiles.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 2616a58a5a4b..9a1586590d82 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt | |||
@@ -872,7 +872,13 @@ When kbuild executes the following steps are followed (roughly): | |||
872 | Assignments to $(targets) are without $(obj)/ prefix. | 872 | Assignments to $(targets) are without $(obj)/ prefix. |
873 | if_changed may be used in conjunction with custom commands as | 873 | if_changed may be used in conjunction with custom commands as |
874 | defined in 6.7 "Custom kbuild commands". | 874 | defined in 6.7 "Custom kbuild commands". |
875 | |||
875 | Note: It is a typical mistake to forget the FORCE prerequisite. | 876 | Note: It is a typical mistake to forget the FORCE prerequisite. |
877 | Another common pitfall is that whitespace is sometimes | ||
878 | significant; for instance, the below will fail (note the extra space | ||
879 | after the comma): | ||
880 | target: source(s) FORCE | ||
881 | #WRONG!# $(call if_changed, ld/objcopy/gzip) | ||
876 | 882 | ||
877 | ld | 883 | ld |
878 | Link target. Often LDFLAGS_$@ is used to set specific options to ld. | 884 | Link target. Often LDFLAGS_$@ is used to set specific options to ld. |