Minor patches to TBB Windows build for compatibility with RTools make

.github/workflows/main.yml

@@ -35,21 +35,12 @@ jobs:
     - name: Set path for Rtools40
       if: runner.os == 'Windows'
       run: echo "C:/rtools40/usr/bin;C:/rtools40/mingw64/bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
-    - name: Install mingw32-make and check toolchain path
-      if: runner.os == 'Windows'
-      run: |
-        pacman -Syu mingw-w64-x86_64-make --noconfirm
-        g++ --version
-        Get-Command g++ | Select-Object -ExpandProperty Definition
-        mingw32-make --version
-        Get-Command mingw32-make | Select-Object -ExpandProperty Definition
-      shell: powershell
 
     - name: Build Math libs
       shell: powershell
       run: |
         Add-Content make\local "O=1`n"
-        mingw32-make -f make/standalone math-libs -j2
+        make -f make/standalone math-libs -j2
     - name: Add TBB to PATH
       shell: powershell
       run: echo "D:/a/math/math/lib/tbb" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
@@ -85,21 +76,12 @@ jobs:
     - name: Set path for Rtools40
       if: runner.os == 'Windows'
       run: echo "C:/rtools40/usr/bin;C:/rtools40/mingw64/bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
-    - name: Install mingw32-make and check toolchain path
-      if: runner.os == 'Windows'
-      run: |
-        pacman -Syu mingw-w64-x86_64-make --noconfirm
-        g++ --version
-        Get-Command g++ | Select-Object -ExpandProperty Definition
-        mingw32-make --version
-        Get-Command mingw32-make | Select-Object -ExpandProperty Definition
-      shell: powershell
 
     - name: Build Math libs
       shell: powershell
       run: |
         Add-Content make\local "O=1`n"
-        mingw32-make -f make/standalone math-libs -j2
+        make -f make/standalone math-libs -j2
     - name: Add TBB to PATH
       shell: powershell
       run: echo "D:/a/math/math/lib/tbb" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
@@ -139,21 +121,12 @@ jobs:
     - name: Set path for Rtools40
       if: runner.os == 'Windows'
       run: echo "C:/rtools40/usr/bin;C:/rtools40/mingw64/bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
-    - name: Install mingw32-make and check toolchain path
-      if: runner.os == 'Windows'
-      run: |
-        pacman -Syu mingw-w64-x86_64-make --noconfirm
-        g++ --version
-        Get-Command g++ | Select-Object -ExpandProperty Definition
-        mingw32-make --version
-        Get-Command mingw32-make | Select-Object -ExpandProperty Definition
-      shell: powershell
 
     - name: Build Math libs
       shell: powershell
       run: |
         Add-Content make\local "O=1`n"
-        mingw32-make -f make/standalone math-libs -j2
+        make -f make/standalone math-libs -j2
     - name: Add TBB to PATH
       shell: powershell
       run: echo "D:/a/math/math/lib/tbb" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
@@ -171,7 +144,7 @@ jobs:
       with:
         name: gtest_outputs_xml
         path: '**/*_test.xml'
-        
+
   mix-fun-2:
     name: mix/fun tests 2
     runs-on: windows-latest
@@ -188,21 +161,12 @@ jobs:
     - name: Set path for Rtools40
       if: runner.os == 'Windows'
       run: echo "C:/rtools40/usr/bin;C:/rtools40/mingw64/bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
-    - name: Install mingw32-make and check toolchain path
-      if: runner.os == 'Windows'
-      run: |
-        pacman -Syu mingw-w64-x86_64-make --noconfirm
-        g++ --version
-        Get-Command g++ | Select-Object -ExpandProperty Definition
-        mingw32-make --version
-        Get-Command mingw32-make | Select-Object -ExpandProperty Definition
-      shell: powershell
 
     - name: Build Math libs
       shell: powershell
       run: |
         Add-Content make\local "O=1`n"
-        mingw32-make -f make/standalone math-libs -j2
+        make -f make/standalone math-libs -j2
     - name: Add TBB to PATH
       shell: powershell
       run: echo "D:/a/math/math/lib/tbb" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8

lib/tbb_2020.3/STAN_CHANGES

@@ -2,3 +2,7 @@ This file documents changes done for the stan-math project
 
 - drop -g flag from makefiles for release mode builds to decrease size of binaries
 - Add `tbb::` to line 252 of `task.h` to fix a build failure with gcc 13. This was done upstream in https://github.com/oneapi-src/oneTBB/pull/833
+
+- build/windows.inc patches for RTools make:
+  - L15 changed setting to use '?=', allowing override
+  - L25,L113,L114 added additional '/' to each cmd flag

lib/tbb_2020.3/build/windows.inc

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-export SHELL = cmd
+SHELL ?= cmd
 
 ifdef tbb_build_dir
   test_dir:=$(tbb_build_dir)
@@ -22,7 +22,7 @@ endif
 
 # A convenience wrapper for calls to detect.js.
 # $(1) is the full command line for the script, e.g. /minversion icl 12
-detect_js = $(shell cmd /C "cscript /nologo /E:jscript $(tbb_root)/build/detect.js $(1)")
+detect_js = $(shell cmd //C "cscript //nologo //E:jscript $(tbb_root)/build/detect.js $(1)")
 
 # TODO give an error if archs doesn't match
 ifndef arch
@@ -110,8 +110,8 @@ ifneq ($(filter vc8 vc9,$(runtime)),)
 RML.MANIFEST = tbbmanifest.exe.manifest
 endif
 
-MAKE_VERSIONS = cmd /C cscript /nologo /E:jscript $(subst \,/,$(tbb_root))/build/version_info_windows.js $(compiler) $(arch) $(subst \,/,"$(VERSION_FLAGS)") > version_string.ver
-MAKE_TBBVARS  = cmd /C "$(subst /,\,$(tbb_root))\build\generate_tbbvars.bat"
+MAKE_VERSIONS = cmd //C cscript //nologo //E:jscript $(subst \,/,$(tbb_root))/build/version_info_windows.js $(compiler) $(arch) $(subst \,/,"$(VERSION_FLAGS)") > version_string.ver
+MAKE_TBBVARS  = cmd //C "$(subst /,\,$(tbb_root))\build\generate_tbbvars.bat"
 
 TEST_LAUNCHER = $(subst /,\,$(tbb_root))\build\test_launcher.bat $(largs)
 

make/libraries

@@ -102,10 +102,6 @@ clean-sundials:
 # Note that the tbb targets must not be build in parallel (so no concurrent
 # build of tbb and tbbmalloc, for example). This is ensured here with proper
 # dependencies.
-#
-# On windows the mingw32-make (part of RTools, for example) is required to build
-# the TBB as this make has proper POSIX extensions needed by the used downstream
-# TBB makefiles.
 
 ifndef TBB_LIB
 
@@ -143,6 +139,13 @@ ifeq (Windows_NT, $(OS))
   ifeq ($(IS_UCRT),true)
     TBB_CXXFLAGS += -D_UCRT
   endif
+	SH_CHECK := $(shell command -v sh 2>/dev/null)
+	ifdef SH_CHECK
+		WINDOWS_HAS_SH ?= true
+	endif
+	ifeq ($(WINDOWS_HAS_SH), true) # Stop TBB makefile changing SHELL on RTools
+		SHELL = sh.exe
+	endif
 endif
 
 # If brackets or spaces are found in MAKE on Windows
@@ -157,12 +160,6 @@ $(TBB_BIN)/tbb-make-check:
 ifeq ($(OS),Windows_NT)
 ifneq ($(MAKE),$(MAKE_ESCAPED))
 $(error '$nError:$n$nThe RTools toolchain is installed in a path with spaces or brackets.$nPlease reinstall the toolchain.$n$n')
-else
-	if ! [[ $(MAKE) =~ mingw32 ]]; then \
-		echo "ERROR: Please use mingw32-make on Windows to build the Intel TBB library."; \
-		echo "This is packaged with RTools, for example."; \
-		exit 1; \
-	fi
 endif
 endif
 	@mkdir -p $(TBB_BIN)

runTests.py

@@ -177,10 +177,7 @@ def doCommand(command, exit_on_failure=True):
 
 def generateTests(j):
     """Generate all tests and pass along the j parameter to make."""
-    if isWin():
-        doCommand("mingw32-make -j%d generate-tests -s" % (j or 1))
-    else:
-        doCommand("make -j%d generate-tests -s" % (j or 1))
+    doCommand("make -j%d generate-tests -s" % (j or 1))
 
 
 def divide_chunks(l, n):
@@ -238,10 +235,7 @@ def cleanupJumboTests(paths):
 
 def makeTest(name, j):
     """Run the make command for a given single test."""
-    if isWin():
-        doCommand("mingw32-make -j%d %s" % (j or 1, name))
-    else:
-        doCommand("make -j%d %s" % (j or 1, name))
+    doCommand("make -j%d %s" % (j or 1, name))
 
 
 def commandExists(command):
@@ -374,7 +368,7 @@ def handleExpressionTests(tests, only_functions, n_test_files):
 def checkToolchainPathWindows():
     if isWin():
         p1 = subprocess.Popen(
-            "where.exe mingw32-make",
+            "where.exe make",
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
             universal_newlines=True,

test/sig_utils.py

@@ -6,7 +6,7 @@
 import sys
 
 if os.name == "nt":  # Windows
-    make = "mingw32-make"
+    make = "make"
     exe_extension = ".exe"
 else:
     make = "make"