[cmake-developers] CMP0053 - Simplify variable reference and escape sequence evaluation - regression
CMP0053 warns/fails on $ENV{ProgramFiles(x86)}.
Could () be added to the legal set of characters when within an $ENV{}
expansion?
Nils
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Re: [cmake-developers] CMP0053 - Simplify variable reference and escape sequence evaluation - regression
On 10/06/2014 06:39 AM, Nils Gladitz wrote:
CMP0053 warns/fails on $ENV{ProgramFiles(x86)}.
Could () be added to the legal set of characters when within an $ENV{}
expansion?
We considered that case and decided to ask users to use a
nested variable reference for that case. There is a similar
workaround in Modules/Platform/WindowsPaths.cmake.
One reason is that adding more characters to the allowed set,
especially as a special case for $ENV{}, triggers extra tests
and branches inside a tight loop that is used everywhere.
-Brad
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Re: [cmake-developers] CMP0053 - Simplify variable reference and escape sequence evaluation - regression
On 10/06/2014 02:48 PM, Brad King wrote:
On 10/06/2014 06:39 AM, Nils Gladitz wrote:
CMP0053 warns/fails on $ENV{ProgramFiles(x86)}.
Could () be added to the legal set of characters when within an $ENV{}
expansion?
We considered that case and decided to ask users to use a
nested variable reference for that case. There is a similar
workaround in Modules/Platform/WindowsPaths.cmake.
One reason is that adding more characters to the allowed set,
especially as a special case for $ENV{}, triggers extra tests
and branches inside a tight loop that is used everywhere.
All right, no problem; I'll work around it.
Thanks!
Nils
--
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CMake Consulting: http://cmake.org/cmake/help/consulting.html
CMake Training Courses: http://cmake.org/cmake/help/training.html
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