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add_custom_command: Add DEPENDS_EXPLICIT_ONLY option for Ninja

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Add option `DEPENDS_EXPLICIT_ONLY` to `add_custom_command` to indicate
that implicit dependencies coming from users of the output are not
needed, and only consider dependencies explicitly specified in the
custom command.

Fixes: #17097
This commit is contained in:
Abdelmaged Khalifa
2023-02-12 01:00:40 +02:00
committed by Brad King
parent 48c69eeafe
commit 082ccd7530
8 changed files with 104 additions and 27 deletions
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8
Source/cmAddCustomCommandCommand.cxx
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@@ -49,6 +49,7 @@ bool cmAddCustomCommandCommand(std::vector<std::string> const& args,
bool append = false;
bool uses_terminal = false;
bool command_expand_lists = false;
bool depends_explicit_only = false;
std::string implicit_depends_lang;
cmImplicitDependsList implicit_depends;
@@ -104,6 +105,7 @@ bool cmAddCustomCommandCommand(std::vector<std::string> const& args,
MAKE_STATIC_KEYWORD(USES_TERMINAL);
MAKE_STATIC_KEYWORD(VERBATIM);
MAKE_STATIC_KEYWORD(WORKING_DIRECTORY);
MAKE_STATIC_KEYWORD(DEPENDS_EXPLICIT_ONLY);
#undef MAKE_STATIC_KEYWORD
static std::unordered_set<std::string> const keywords{
keyAPPEND,
@@ -126,7 +128,8 @@ bool cmAddCustomCommandCommand(std::vector<std::string> const& args,
keyTARGET,
keyUSES_TERMINAL,
keyVERBATIM,
keyWORKING_DIRECTORY
keyWORKING_DIRECTORY,
keyDEPENDS_EXPLICIT_ONLY
};
for (std::string const& copy : args) {
@@ -155,6 +158,8 @@ bool cmAddCustomCommandCommand(std::vector<std::string> const& args,
uses_terminal = true;
} else if (copy == keyCOMMAND_EXPAND_LISTS) {
command_expand_lists = true;
} else if (copy == keyDEPENDS_EXPLICIT_ONLY) {
depends_explicit_only = true;
} else if (copy == keyTARGET) {
doing = doing_target;
} else if (copy == keyARGS) {
@@ -329,6 +334,7 @@ bool cmAddCustomCommandCommand(std::vector<std::string> const& args,
cc->SetDepfile(depfile);
cc->SetJobPool(job_pool);
cc->SetCommandExpandLists(command_expand_lists);
cc->SetDependsExplicitOnly(depends_explicit_only);
if (source.empty() && output.empty()) {
// Source is empty, use the target.
mf.AddCustomCommandToTarget(target, cctype, std::move(cc));