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https://github.com/Kitware/CMake
10 April 2024, 19:27:19 UTC
Revision d9a6e0ffc82fbc460289c6b0808eff27ac316235 authored by Craig Scott on 10 September 2022, 08:22:18 UTC, committed by Craig Scott on 10 September 2022, 08:23:21 UTC 
FetchContent: Fix unsetting wrong variable name after provider returns
 
The unset() command was using __cmake_contentNameLower before that
variable was restored from the __cmake_fcCurrentVarsStack. That means
if there had been a nested call to FetchContent_MakeAvailable(), the wrong
variable name would have been cleared (the nested name instead of the
one from the current call). That would have left the variable set upon return,
blocking the dependency provider from seeing any further calls to
FetchContent_MakeAvailable() in the current variable scope or below for the
current dependency.
1 parent a2f9e67
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Tip revision: d9a6e0ffc82fbc460289c6b0808eff27ac316235 authored by Craig Scott on 10 September 2022, 08:22:18 UTC
FetchContent: Fix unsetting wrong variable name after provider returns
Tip revision: d9a6e0f
CheckVariableExists.c 
#ifdef CHECK_VARIABLE_EXISTS

extern int CHECK_VARIABLE_EXISTS;

#  ifdef __CLASSIC_C__
int main()
{
  int ac;
  char* av[];
#  else
int main(int ac, char* av[])
{
#  endif
  if (ac > 1000) {
    return *av[0];
  }
  return CHECK_VARIABLE_EXISTS;
}

#else /* CHECK_VARIABLE_EXISTS */

#  error "CHECK_VARIABLE_EXISTS has to specify the variable"

#endif /* CHECK_VARIABLE_EXISTS */
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