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FindAsciiDoc: fix CMP0053 warning with cmake 3.1

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Backported from zeromq/libzmq@032c5ed

This commit fixes the following warnings:

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CMake Warning (dev) at builds/cmake/Modules/FindAsciiDoc.cmake:9 (find_program):
  Policy CMP0053 is not set: Simplify variable reference and escape sequence
  evaluation.  Run "cmake --help-policy CMP0053" for policy details.  Use the
  cmake_policy command to set the policy and suppress this warning.

  For input:

    '$ENV{PROGRAMFILES(X86)}/asciidoc'

  the old evaluation rules produce:

    '/asciidoc'

  but the new evaluation rules produce an error:

    Syntax error in cmake code at
      /path/to/builds/cmake/Modules/FindAsciiDoc.cmake:13
    when parsing string
      $ENV{PROGRAMFILES(X86)}/asciidoc
    Invalid character ('(') in a variable name: 'PROGRAMFILES'

  Using the old result for compatibility since the policy is not set.
Call Stack (most recent call first):
  CMakeLists.txt:193 (find_package)
This warning is for project developers.  Use -Wno-dev to suppress it.
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and

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CMake Warning (dev) at builds/cmake/Modules/FindAsciiDoc.cmake:15 (find_program):
  Policy CMP0053 is not set: Simplify variable reference and escape sequence
  evaluation.  Run "cmake --help-policy CMP0053" for policy details.  Use the
  cmake_policy command to set the policy and suppress this warning.

  For input:

    '$ENV{PROGRAMFILES(X86)}/asciidoc'

  the old evaluation rules produce:

    '/asciidoc'

  but the new evaluation rules produce an error:

    Syntax error in cmake code at
      /path/to/builds/cmake/Modules/FindAsciiDoc.cmake:19
    when parsing string
      $ENV{PROGRAMFILES(X86)}/asciidoc
    Invalid character ('(') in a variable name: 'PROGRAMFILES'

  Using the old result for compatibility since the policy is not set.
Call Stack (most recent call first):
  CMakeLists.txt:193 (find_package)
This warning is for project developers.  Use -Wno-dev to suppress it.
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This commit is contained in:
Jean-Christophe Fillion-Robin 2016-01-30 03:16:22 -05:00
parent e1ebeadd05
commit b690bdf148
1 changed files with 5 additions and 3 deletions
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6
builds/cmake/Modules/FindAsciiDoc.cmake
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@ -6,17 +6,19 @@
# A2X_EXECUTABLE - the full path to a2x
# A2X_FOUND - If false, don't attempt to use a2x.
set (PROGRAMFILESX86 "PROGRAMFILES(X86)")
find_program(ASCIIDOC_EXECUTABLE asciidoc asciidoc.py
PATHS "$ENV{ASCIIDOC_ROOT}"
"$ENV{PROGRAMW6432}/asciidoc"
"$ENV{PROGRAMFILES}/asciidoc"
"$ENV{PROGRAMFILES(X86)}/asciidoc")
"$ENV{${PROGRAMFILESX86}}/asciidoc")
find_program(A2X_EXECUTABLE a2x
PATHS "$ENV{ASCIIDOC_ROOT}"
"$ENV{PROGRAMW6432}/asciidoc"
"$ENV{PROGRAMFILES}/asciidoc"
"$ENV{PROGRAMFILES(X86)}/asciidoc")
"$ENV{${PROGRAMFILESX86}}/asciidoc")
include(FindPackageHandleStandardArgs)