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build, tools, win: add nasm detection for OpenSSL
OpenSSL-1.1.0 requires the nasm assembler for building asm files on
Windows. This finds nasm at \Program Files\NASM\nasm.exe or
\ProgramFiles(x86)\NASM\nasm.exe in vcbuild.bat for users who did not
add its path in their enviroments.

Fixes: nodejs/build#1190
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joaocgreis authored and shigeki committed Apr 9, 2018
commit f584f354770ab44c79c1294f81a915f255d677e2
3 changes: 3 additions & 0 deletions BUILDING.md
Original file line number Diff line number Diff line change
Expand Up @@ -258,6 +258,9 @@ Prerequisites:
* Basic Unix tools required for some tests,
[Git for Windows](http://git-scm.com/download/win) includes Git Bash
and tools which can be included in the global `PATH`.
* **Optional** (for OpenSSL assembler modules): the [NetWide Assembler](http://www.nasm.us/),
if not installed in the default location it needs to be manually added
to `PATH`.
* **Optional** (to build the MSI): the [WiX Toolset v3.11](http://wixtoolset.org/releases/)
and the [Wix Toolset Visual Studio 2017 Extension](https://marketplace.visualstudio.com/items?itemName=RobMensching.WixToolsetVisualStudio2017Extension).

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19 changes: 19 additions & 0 deletions tools/msvs/find_nasm.cmd
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@@ -0,0 +1,19 @@
@IF NOT DEFINED DEBUG_HELPER @ECHO OFF

ECHO Looking for NASM

FOR /F "delims=" %%a IN ('where nasm 2^> NUL') DO (
EXIT /B 0
)

IF EXIST "%ProgramFiles%\NASM\nasm.exe" (
SET "Path=%Path%;%ProgramFiles%\NASM"
EXIT /B 0
)

IF EXIST "%ProgramFiles(x86)%\NASM\nasm.exe" (
SET "Path=%Path%;%ProgramFiles(x86)%\NASM"
EXIT /B 0
)

EXIT /B 1
3 changes: 3 additions & 0 deletions vcbuild.bat
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Expand Up @@ -170,6 +170,9 @@ if "%target%"=="Clean" rmdir /S /Q %~dp0deps\icu
call tools\msvs\find_python.cmd
if errorlevel 1 goto :exit

call tools\msvs\find_nasm.cmd
if errorlevel 1 echo Could not find NASM, it will not be used.

call :getnodeversion || exit /b 1

if defined TAG set configure_flags=%configure_flags% --tag=%TAG%
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