From 86359ea8a9e1e8be65261477c783151d01d8c81e Mon Sep 17 00:00:00 2001
From: otavepto <153766569+otavepto@users.noreply.github.com>
Date: Sun, 2 Jun 2024 08:32:04 +0300
Subject: [PATCH] update these scripts + add support to build deps via `--deps`
 + simple help page via `--help`

---
 README.md              |   4 +-
 build_linux_premake.sh |  76 +++++++++++++++++----
 build_win_premake.bat  | 146 ++++++++++++++++++++++++++++++-----------
 3 files changed, 174 insertions(+), 52 deletions(-)

diff --git a/README.md b/README.md
index 281a98bb..088d91a0 100644
--- a/README.md
+++ b/README.md
@@ -213,6 +213,7 @@ Open CMD in the repo folder, then run the following
   
 
 This will build a release version of the emu in the folder `build\win\<toolchain>\release`  
+An example script `build_win_premake.bat` is available, check it out  
 
 <br/>
 
@@ -238,7 +239,8 @@ To see all possible build targets
 make help
 ```  
 
-This will build a release version of the emu in the folder `build/linux/<toolchain>/release`
+This will build a release version of the emu in the folder `build/linux/<toolchain>/release`  
+An example script `build_linux_premake.sh` is available, check it out  
 
 ---
 
diff --git a/build_linux_premake.sh b/build_linux_premake.sh
index 6a706f58..9cd53e49 100644
--- a/build_linux_premake.sh
+++ b/build_linux_premake.sh
@@ -1,19 +1,71 @@
 #!/usr/bin/env bash
 
-chmod +777 third-party/common/win/premake/premake5 
-./third-party/common/win/premake/premake5 --os=linux genproto
+function help_page () {
+  echo "./$(basename "$0") [switches]"
+  echo "switches:"
+  echo "  --deps: rebuild third-party dependencies"
+  echo "  --help: show this page"
+}
 
-# target other than clang?
-./third-party/common/win/premake/premake5 --os=linux --cc=clang gmake2
+# use 70%
+build_threads="$(( $(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 0) * 70 / 100 ))"
+[[ $build_threads -lt 2 ]] && build_threads=2
+
+BUILD_DEPS=0
+for (( i=1; i<=$#; ++i )); do
+  arg="${!i}"
+  if [[ "$arg" = "--deps" ]]; then
+    BUILD_DEPS=1
+  elif [[ "$arg" = "--help" ]]; then
+    help_page
+    exit 0
+  else
+    echo "invalid arg $arg" 1>&2
+    exit 1
+  fi
+done
+
+premake_exe=./"third-party/common/linux/premake/premake5"
+if [[ ! -f "$premake_exe" ]]; then
+  echo "preamke wasn't found" 1>&2
+  exit 1
+fi
+chmod 777 "$premake_exe"
+
+# build deps
+if [[ $BUILD_DEPS = 1 ]]; then
+  export CMAKE_GENERATOR="Unix Makefiles"
+  "$premake_exe" --file="premake5-deps.lua" --all-ext --all-build --64-build --32-build --verbose --clean --os=linux gmake2 || {
+    exit 1;
+  }
+fi
+
+"$premake_exe" --genproto --os=linux gmake2 || {
+  exit 1;
+}
+
+pushd ./"build/project/gmake2/linux"
 
-# going into build dir
-cd build/project/gmake2/linux
 # you can select individual or all
 
-# make config=debug_x32
-make config=debug_x32
-make config=debug_x64
-make config=release_x32 
-make config=release_x64 
+echo; echo building debug x64
+make -j $build_threads config=debug_x64 || {
+  exit 1;
+}
 
-cd ..
\ No newline at end of file
+echo; echo building debug x32
+make -j $build_threads config=debug_x32 || {
+  exit 1;
+}
+
+echo; echo building release x64
+make -j $build_threads config=release_x64 || {
+  exit 1;
+}
+
+echo; echo building release x32
+make -j $build_threads config=release_x32 || {
+  exit 1;
+}
+
+popd
diff --git a/build_win_premake.bat b/build_win_premake.bat
index 2447a38e..8f5623d2 100644
--- a/build_win_premake.bat
+++ b/build_win_premake.bat
@@ -1,52 +1,120 @@
 @echo off
-call "third-party\common\win\premake\premake5.exe" --os=windows --file="premake5.lua" genproto
-call "third-party\common\win\premake\premake5.exe" --os=windows --file="premake5.lua" vs2022
+setlocal
+
+:: use 70%
+set /a build_threads=2
+if defined NUMBER_OF_PROCESSORS (
+  set /a build_threads=NUMBER_OF_PROCESSORS*70/100
+)
+if %build_threads% lss 1 (
+  set /a build_threads=1
+)
+
+set /a BUILD_DEPS=0
+:args_loop
+  if "%~1"=="" (
+    goto :args_loop_end
+  ) else if "%~1"=="--deps" (
+    set /a BUILD_DEPS=1
+  ) else if "%~1"=="--help" (
+    call :help_page
+    goto :end_script
+  ) else (
+    1>&2 echo "invalid arg %~1"
+    goto :end_script_with_err
+  )
+shift /1
+goto :args_loop
+:args_loop_end
+
+set "premake_exe=third-party\common\win\premake\premake5.exe"
+if not exist "%premake_exe%" (
+  1>&2 echo "preamke wasn't found"
+  goto :end_script_with_err
+)
+
+:: build deps
+if %BUILD_DEPS%==0 (
+  goto :build_deps_end
+)
+set "CMAKE_GENERATOR=Visual Studio 17 2022"
+call "%premake_exe%" --file="premake5-deps.lua" --all-ext --all-build --64-build --32-build --verbose --clean --os=windows vs2022
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+:build_deps_end
 
 :: VS WHERE to get MSBUILD
 set "vswhere_exe=third-party\common\win\vswhere\vswhere.exe"
 if not exist "%vswhere_exe%" (
-  echo "vswhere.exe wasn't found"
+  1>&2 echo "vswhere wasn't found"
   goto :end_script_with_err
 )
-set "my_vs_path=%vs_static_path%"
-if "%my_vs_path%"=="" (
-  for /f "tokens=* delims=" %%A in ('"%vswhere_exe%" -prerelease -latest -nocolor -nologo -property installationPath 2^>nul') do (
-    set "my_vs_path=%%~A\MSBuild\Current\Bin\MSBuild.exe"
-  )
+
+:: .sln file
+set "sln_file=build\project\vs2022\win\gbe.sln"
+
+:: get msbuild path
+set "my_vs_path="
+for /f "tokens=* delims=" %%A in ('"%vswhere_exe%" -prerelease -latest -nocolor -nologo -property installationPath 2^>nul') do (
+  set "my_vs_path=%%~A\MSBuild\Current\Bin\MSBuild.exe"
 )
-goto :builder
+if not exist "%my_vs_path%" (
+  1>&2 echo "MSBuild wasn't found"
+  goto :end_script_with_err
+)
+
+call "%premake_exe%" --file="premake5.lua" --dosstub --winrsrc --winsign --genproto --os=windows vs2022
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+if not exist "%sln_file%" (
+  1>&2 echo "project solution file wasn't found"
+  goto :end_script_with_err
+)
+
+:: -v:n make it so we can actually see what commands it runs
+echo: & echo building debug x64
+call "%my_vs_path%" /nologo "%sln_file%" /p:Configuration=debug /p:Platform=x64 -v:n /MP%build_threads%
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+
+echo: & echo building debug x32
+call "%my_vs_path%" /nologo "%sln_file%" /p:Configuration=debug /p:Platform=Win32 -v:n /MP%build_threads%
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+
+echo: & echo building release x64
+call "%my_vs_path%" /nologo "%sln_file%" /p:Configuration=release /p:Platform=x64 -v:n /MP%build_threads%
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+
+echo: & echo building release x32
+call "%my_vs_path%" /nologo "%sln_file%" /p:Configuration=release /p:Platform=Win32 -v:n /MP%build_threads%
+if %errorlevel% neq 0 (
+  goto :end_script_with_err
+)
+
+
+:: if all ok
+:end_script
+endlocal
+exit /b 0
+
 
 :: exit with error
 :end_script_with_err
-popd
-endlocal & (
-  exit /b 1
-)
+endlocal
+exit /b 1
 
 
-:builder
-
-:: -v:n make it so we can actually see what commands it runs
-call %my_vs_path% build\project\vs2022\win\GBE.sln /p:Configuration=debug /p:Platform=x64 -v:n
-set /a _exit=%errorlevel%
-if %_exit% equ 1 (
-    goto :end_script_with_err
-)
-
-call %my_vs_path% build\project\vs2022\win\GBE.sln /p:Configuration=debug /p:Platform=Win32 -v:n
-set /a _exit=%errorlevel%
-if %_exit% equ 1 (
-    goto :end_script_with_err
-)
-
-call %my_vs_path% build\project\vs2022\win\GBE.sln /p:Configuration=release /p:Platform=x64 -v:n
-set /a _exit=%errorlevel%
-if %_exit% equ 1 (
-    goto :end_script_with_err
-)
-
-call %my_vs_path% build\project\vs2022\win\GBE.sln /p:Configuration=release /p:Platform=Win32 -v:n
-set /a _exit=%errorlevel%
-if %_exit% equ 1 (
-    goto :end_script_with_err
-)
\ No newline at end of file
+:help_page
+echo:
+echo "%~nx0" [switches]
+echo switches:
+echo   --deps: rebuild third-party dependencies
+echo   --help: show this page
+exit /b 0