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CPack/NSIS: Add option for setting custom makensis executable

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It allows users to set a custom one without changing the PATH environment variable.

Fixes: #21733
This commit is contained in:
Johnny Jazeix
2021-02-21 16:29:11 +01:00
parent 7aad4df2ff
commit 8e8b99d01a
3 changed files with 15 additions and 1 deletions
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6
Help/cpack_gen/nsis.rst
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@@ -193,3 +193,9 @@ on Windows Nullsoft Scriptable Install System.
.. versionadded:: 3.20
If set, trim down the size of the control to the size of the branding text string.
.. variable:: CPACK_NSIS_EXECUTABLE
.. versionadded:: 3.21
If set, specify the name of the NSIS executable. Default is ``makensis``.

6
Help/release/dev/cpack-nsis-executable-name.rst Normal file
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@@ -0,0 +1,6 @@
cpack-nsis-executable-name
--------------------------
* The :cpack_gen:`CPack NSIS Generator` gained a new variable
:variable:`CPACK_NSIS_EXECUTABLE` to specify the makensis
executable to use instead of the default one.

4
Source/CPack/cmCPackNSISGenerator.cxx
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@@ -430,7 +430,9 @@ int cmCPackNSISGenerator::InitializeInternal()
}
#endif
nsisPath = cmSystemTools::FindProgram("makensis", path, false);
this->SetOptionIfNotSet("CPACK_NSIS_EXECUTABLE", "makensis");
nsisPath = cmSystemTools::FindProgram(
this->GetOption("CPACK_NSIS_EXECUTABLE"), path, false);
if (nsisPath.empty()) {
cmCPackLogger(