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-rw-r--r--Source/cmDependsC.cxx31
-rw-r--r--Source/cmDependsCompiler.cxx19
-rw-r--r--Source/cmDependsFortran.cxx29
-rw-r--r--Source/cmGlobalBorlandMakefileGenerator.cxx9
-rw-r--r--Source/cmGlobalUnixMakefileGenerator3.h10
5 files changed, 77 insertions, 21 deletions
diff --git a/Source/cmDependsC.cxx b/Source/cmDependsC.cxx
index e6aef9289f..60e8cbf2c3 100644
--- a/Source/cmDependsC.cxx
+++ b/Source/cmDependsC.cxx
@@ -7,6 +7,7 @@
#include "cmsys/FStream.hxx"
#include "cmFileTime.h"
+#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmProperty.h"
@@ -215,16 +216,28 @@ bool cmDependsC::WriteDependencies(const std::set<std::string>& sources,
// directory. We must do the same here.
std::string obj_m = this->LocalGenerator->ConvertToMakefilePath(obj_i);
internalDepends << obj_i << '\n';
-
- for (std::string const& dep : dependencies) {
- makeDepends << obj_m << ": "
- << this->LocalGenerator->ConvertToMakefilePath(
- this->LocalGenerator->MaybeConvertToRelativePath(binDir,
- dep))
- << '\n';
- internalDepends << ' ' << dep << '\n';
+ if (!dependencies.empty()) {
+ const auto& lineContinue = static_cast<cmGlobalUnixMakefileGenerator3*>(
+ this->LocalGenerator->GetGlobalGenerator())
+ ->LineContinueDirective;
+ bool supportLongLineDepend = static_cast<cmGlobalUnixMakefileGenerator3*>(
+ this->LocalGenerator->GetGlobalGenerator())
+ ->SupportsLongLineDependencies();
+ if (supportLongLineDepend) {
+ makeDepends << obj_m << ':';
+ }
+ for (std::string const& dep : dependencies) {
+ std::string dependee = this->LocalGenerator->ConvertToMakefilePath(
+ this->LocalGenerator->MaybeConvertToRelativePath(binDir, dep));
+ if (supportLongLineDepend) {
+ makeDepends << ' ' << lineContinue << ' ' << dependee;
+ } else {
+ makeDepends << obj_m << ": " << dependee << '\n';
+ }
+ internalDepends << ' ' << dep << '\n';
+ }
+ makeDepends << '\n';
}
- makeDepends << '\n';
return true;
}
diff --git a/Source/cmDependsCompiler.cxx b/Source/cmDependsCompiler.cxx
index beb080ffb3..97534bcdb7 100644
--- a/Source/cmDependsCompiler.cxx
+++ b/Source/cmDependsCompiler.cxx
@@ -196,6 +196,9 @@ void cmDependsCompiler::WriteDependencies(
const auto& lineContinue = static_cast<cmGlobalUnixMakefileGenerator3*>(
this->LocalGenerator->GetGlobalGenerator())
->LineContinueDirective;
+ bool supportLongLineDepend = static_cast<cmGlobalUnixMakefileGenerator3*>(
+ this->LocalGenerator->GetGlobalGenerator())
+ ->SupportsLongLineDependencies();
const auto& binDir = this->LocalGenerator->GetBinaryDirectory();
cmDepends::DependencyMap makeDependencies(dependencies);
std::unordered_set<cm::string_view> phonyTargets;
@@ -213,13 +216,19 @@ void cmDependsCompiler::WriteDependencies(
});
bool first_dep = true;
- makeDepends << target << ": ";
+ if (supportLongLineDepend) {
+ makeDepends << target << ": ";
+ }
for (const auto& dep : deps) {
- if (first_dep) {
- first_dep = false;
- makeDepends << dep;
+ if (supportLongLineDepend) {
+ if (first_dep) {
+ first_dep = false;
+ makeDepends << dep;
+ } else {
+ makeDepends << ' ' << lineContinue << " " << dep;
+ }
} else {
- makeDepends << ' ' << lineContinue << " " << dep;
+ makeDepends << target << ": " << dep << std::endl;
}
phonyTargets.emplace(dep.data(), dep.length());
diff --git a/Source/cmDependsFortran.cxx b/Source/cmDependsFortran.cxx
index a239418fd0..1a06f31706 100644
--- a/Source/cmDependsFortran.cxx
+++ b/Source/cmDependsFortran.cxx
@@ -12,6 +12,7 @@
#include "cmFortranParser.h" /* Interface to parser object. */
#include "cmGeneratedFileStream.h"
+#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmOutputConverter.h"
@@ -320,14 +321,28 @@ bool cmDependsFortran::WriteDependenciesReal(std::string const& obj,
std::string obj_i = this->MaybeConvertToRelativePath(binDir, obj);
std::string obj_m = cmSystemTools::ConvertToOutputPath(obj_i);
internalDepends << obj_i << "\n " << src << '\n';
- for (std::string const& i : info.Includes) {
- makeDepends << obj_m << ": "
- << cmSystemTools::ConvertToOutputPath(
- this->MaybeConvertToRelativePath(binDir, i))
- << '\n';
- internalDepends << ' ' << i << '\n';
+ if (!info.Includes.empty()) {
+ const auto& lineContinue = static_cast<cmGlobalUnixMakefileGenerator3*>(
+ this->LocalGenerator->GetGlobalGenerator())
+ ->LineContinueDirective;
+ bool supportLongLineDepend = static_cast<cmGlobalUnixMakefileGenerator3*>(
+ this->LocalGenerator->GetGlobalGenerator())
+ ->SupportsLongLineDependencies();
+ if (supportLongLineDepend) {
+ makeDepends << obj_m << ':';
+ }
+ for (std::string const& i : info.Includes) {
+ std::string dependee = cmSystemTools::ConvertToOutputPath(
+ this->MaybeConvertToRelativePath(binDir, i));
+ if (supportLongLineDepend) {
+ makeDepends << ' ' << lineContinue << ' ' << dependee;
+ } else {
+ makeDepends << obj_m << ": " << dependee << '\n';
+ }
+ internalDepends << ' ' << i << '\n';
+ }
+ makeDepends << '\n';
}
- makeDepends << '\n';
// Write module requirements to the output stream.
for (std::string const& i : info.Requires) {
diff --git a/Source/cmGlobalBorlandMakefileGenerator.cxx b/Source/cmGlobalBorlandMakefileGenerator.cxx
index 06943e7fff..996fcff1d8 100644
--- a/Source/cmGlobalBorlandMakefileGenerator.cxx
+++ b/Source/cmGlobalBorlandMakefileGenerator.cxx
@@ -26,6 +26,15 @@ cmGlobalBorlandMakefileGenerator::cmGlobalBorlandMakefileGenerator(cmake* cm)
this->DefineWindowsNULL = true;
this->PassMakeflags = true;
this->UnixCD = false;
+
+ /*
+ * Borland Make does not support long line depend rule, as we have tested
+ * generate one source file includes 40000 header files, and generate
+ * depend.make in one line(use line continued tag), and error occured:
+ * ** Fatal CMakeFiles\main.dir\depend.make 1224: Rule line too long **
+ * we disable long line dependencies rule generation for Borland make
+ */
+ this->ToolSupportsLongLineDependencies = false;
}
void cmGlobalBorlandMakefileGenerator::EnableLanguage(
diff --git a/Source/cmGlobalUnixMakefileGenerator3.h b/Source/cmGlobalUnixMakefileGenerator3.h
index 09679a73c7..c15f4911c5 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.h
+++ b/Source/cmGlobalUnixMakefileGenerator3.h
@@ -139,6 +139,12 @@ public:
return this->ToolSupportsCompilerDependencies;
}
+ // Make tool supports long line dependencies
+ bool SupportsLongLineDependencies()
+ {
+ return this->ToolSupportsLongLineDependencies;
+ }
+
/** Get the command to use for a target that has no rule. This is
used for multiple output dependencies and for cmake_force. */
std::string GetEmptyRuleHackCommand() { return this->EmptyRuleHackCommand; }
@@ -235,6 +241,10 @@ protected:
// generated by the compiler
bool ToolSupportsCompilerDependencies = true;
+ // some Make generator, such as Borland not support long line dependencies,
+ // we add SupportsLongLineDependencies to predicate.
+ bool ToolSupportsLongLineDependencies = true;
+
// Some make programs (Borland) do not keep a rule if there are no
// dependencies or commands. This is a problem for creating rules
// that might not do anything but might have other dependencies
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