Re: [PATCH 1/1] contrib/buildsystems: fix Visual Studio Debug configuration

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Hi Alexandr,

On Mon, 23 Sep 2019, Alexandr Miloslavskiy via GitGitGadget wrote:

> From: Alexandr Miloslavskiy <alexandr.miloslavskiy@xxxxxxxxxxx>
>
> Even though Debug configuration builds, the resulting build is incorrect
> in a subtle way: it mixes up Debug and Release binaries, which in turn
> causes hard-to-predict bugs.
>
> In my case, when git calls iconv library, iconv sets 'errno' and git
> then tests it, but in Debug and Release CRT those 'errno' are different
> memory locations.
>
> This patch addresses 3 connected bugs:
> 1) Typo in '\(Configuration)'. As a result, Debug configuration
>    condition is always false and Release path is taken instead.
> 2) Regexp that replaced 'zlib.lib' with 'zlibd.lib' was only affecting
>    the first occurrence. However, some projects have it listed twice.
>    Previously this bug was hidden, because Debug path was never taken.
>    I decided that avoiding double -lz in makefile is fragile and I'd
>    better replace all occurrences instead.
> 3) In Debug, 'libcurl-d.lib' should be used instead of 'libcurl.lib'.
>    Previously this bug was hidden, because Debug path was never taken.
>
> Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@xxxxxxxxxxx>

ACK!
Johannes

> ---
>  contrib/buildsystems/Generators/Vcxproj.pm | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/contrib/buildsystems/Generators/Vcxproj.pm b/contrib/buildsystems/Generators/Vcxproj.pm
> index 576ccabe1d..7b1e277eca 100644
> --- a/contrib/buildsystems/Generators/Vcxproj.pm
> +++ b/contrib/buildsystems/Generators/Vcxproj.pm
> @@ -79,7 +79,8 @@ sub createProject {
>      if (!$static_library) {
>        $libs_release = join(";", sort(grep /^(?!libgit\.lib|xdiff\/lib\.lib|vcs-svn\/lib\.lib)/, @{$$build_structure{"$prefix${name}_LIBS"}}));
>        $libs_debug = $libs_release;
> -      $libs_debug =~ s/zlib\.lib/zlibd\.lib/;
> +      $libs_debug =~ s/zlib\.lib/zlibd\.lib/g;
> +      $libs_debug =~ s/libcurl\.lib/libcurl-d\.lib/g;
>      }
>
>      $defines =~ s/-D//g;
> @@ -119,13 +120,13 @@ sub createProject {
>      <VCPKGArch Condition="'\$(Platform)'=='Win32'">x86-windows</VCPKGArch>
>      <VCPKGArch Condition="'\$(Platform)'!='Win32'">x64-windows</VCPKGArch>
>      <VCPKGArchDirectory>$cdup\\compat\\vcbuild\\vcpkg\\installed\\\$(VCPKGArch)</VCPKGArchDirectory>
> -    <VCPKGBinDirectory Condition="'\(Configuration)'=='Debug'">\$(VCPKGArchDirectory)\\debug\\bin</VCPKGBinDirectory>
> -    <VCPKGLibDirectory Condition="'\(Configuration)'=='Debug'">\$(VCPKGArchDirectory)\\debug\\lib</VCPKGLibDirectory>
> -    <VCPKGBinDirectory Condition="'\(Configuration)'!='Debug'">\$(VCPKGArchDirectory)\\bin</VCPKGBinDirectory>
> -    <VCPKGLibDirectory Condition="'\(Configuration)'!='Debug'">\$(VCPKGArchDirectory)\\lib</VCPKGLibDirectory>
> +    <VCPKGBinDirectory Condition="'\$(Configuration)'=='Debug'">\$(VCPKGArchDirectory)\\debug\\bin</VCPKGBinDirectory>
> +    <VCPKGLibDirectory Condition="'\$(Configuration)'=='Debug'">\$(VCPKGArchDirectory)\\debug\\lib</VCPKGLibDirectory>
> +    <VCPKGBinDirectory Condition="'\$(Configuration)'!='Debug'">\$(VCPKGArchDirectory)\\bin</VCPKGBinDirectory>
> +    <VCPKGLibDirectory Condition="'\$(Configuration)'!='Debug'">\$(VCPKGArchDirectory)\\lib</VCPKGLibDirectory>
>      <VCPKGIncludeDirectory>\$(VCPKGArchDirectory)\\include</VCPKGIncludeDirectory>
> -    <VCPKGLibs Condition="'\(Configuration)'=='Debug'">$libs_debug</VCPKGLibs>
> -    <VCPKGLibs Condition="'\(Configuration)'!='Debug'">$libs_release</VCPKGLibs>
> +    <VCPKGLibs Condition="'\$(Configuration)'=='Debug'">$libs_debug</VCPKGLibs>
> +    <VCPKGLibs Condition="'\$(Configuration)'!='Debug'">$libs_release</VCPKGLibs>
>    </PropertyGroup>
>    <Import Project="\$(VCTargetsPath)\\Microsoft.Cpp.Default.props" />
>    <PropertyGroup Condition="'\$(Configuration)'=='Debug'" Label="Configuration">
> --
> gitgitgadget
>




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