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try_compile: Propogate the CMAKE_LINK_SEARCH_ variables

This commit is contained in:
Chuck Atkins 2015-08-14 11:48:01 -04:00
parent 17ecfd8210
commit fb77c2c54b
4 changed files with 23 additions and 4 deletions
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7
Help/command/try_compile.rst
View File

@ -96,5 +96,12 @@ the try_compile call of interest, and then re-run cmake again with
Other Behavior Settings Other Behavior Settings
^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^
If set, the following variables are passed in to the generated
try_compile CMakeLists.txt to initialize compile target properties with
default values:
* :variable:`CMAKE_LINK_SEARCH_START_STATIC`
* :variable:`CMAKE_LINK_SEARCH_END_STATIC`
Set the :variable:`CMAKE_TRY_COMPILE_CONFIGURATION` variable to choose Set the :variable:`CMAKE_TRY_COMPILE_CONFIGURATION` variable to choose
a build configuration. a build configuration.

5
Help/variable/CMAKE_LINK_SEARCH_END_STATIC.rst
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@ -13,6 +13,7 @@ back to its starting type. This property switches the final linker
search type to -Bstatic regardless of how it started. search type to -Bstatic regardless of how it started.
This variable is used to initialize the target property This variable is used to initialize the target property
LINK_SEARCH_END_STATIC for all targets. :prop_tgt:`LINK_SEARCH_END_STATIC` for all targets. If set, it's
value is also used by the :command:`try_compile` command.
See also CMAKE_LINK_SEARCH_START_STATIC. See also :variable:`CMAKE_LINK_SEARCH_START_STATIC`.

5
Help/variable/CMAKE_LINK_SEARCH_START_STATIC.rst
View File

@ -14,6 +14,7 @@ when linking an executable statically (e.g. with the GNU -static
option). option).
This variable is used to initialize the target property This variable is used to initialize the target property
LINK_SEARCH_START_STATIC for all targets. :prop_tgt:`LINK_SEARCH_START_STATIC` for all targets. If set, it's
value is also used by the :command:`try_compile` command.
See also CMAKE_LINK_SEARCH_END_STATIC. See also :variable:`CMAKE_LINK_SEARCH_END_STATIC`.

10
Source/cmCoreTryCompile.cxx
View File

@ -470,6 +470,16 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv)
{ {
fprintf(fout, "set(CMAKE_POSITION_INDEPENDENT_CODE \"ON\")\n"); fprintf(fout, "set(CMAKE_POSITION_INDEPENDENT_CODE \"ON\")\n");
} }
if (const char *lssDef = this->Makefile->GetDefinition(
"CMAKE_LINK_SEARCH_START_STATIC"))
{
fprintf(fout, "set(CMAKE_LINK_SEARCH_START_STATIC \"%s\")\n", lssDef);
}
if (const char *lssDef = this->Makefile->GetDefinition(
"CMAKE_LINK_SEARCH_END_STATIC"))
{
fprintf(fout, "set(CMAKE_LINK_SEARCH_END_STATIC \"%s\")\n", lssDef);
}
/* Put the executable at a known location (for COPY_FILE). */ /* Put the executable at a known location (for COPY_FILE). */
fprintf(fout, "set(CMAKE_RUNTIME_OUTPUT_DIRECTORY \"%s\")\n", fprintf(fout, "set(CMAKE_RUNTIME_OUTPUT_DIRECTORY \"%s\")\n",