[3.12] Docs: Fix Makefile syntax (GH-123287) (#123289)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

diff --git a/Doc/Makefile b/Doc/Makefile
index 67f030cbd3664227a41a72ba5770731d3a4dcfed..dbd799fd4006fbcc0a4987e2726536174c12e8f3 100644 (file)
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -217,7 +217,7 @@ dist:
        # as otherwise the full latexmk process is run twice.
        # ($$ is needed to escape the $; https://www.gnu.org/software/make/manual/make.html#Basics-of-Variable-References)
        -sed -i 's/: all-$$(FMT)/:/' build/latex/Makefile
-       (cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$((`nproc`+1)) --output-sync LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
+       (cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$$((`nproc`+1)) --output-sync LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
        cp build/latex/docs-pdf.zip dist/python-$(DISTVERSION)-docs-pdf-a4.zip
        cp build/latex/docs-pdf.tar.bz2 dist/python-$(DISTVERSION)-docs-pdf-a4.tar.bz2
        @echo "Build finished and archived!"
@@ -227,7 +227,7 @@ dist:
        rm -rf build/latex
        $(MAKE) latex PAPER=letter
        -sed -i 's/: all-$$(FMT)/:/' build/latex/Makefile
-       (cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$((`nproc`+1)) --output-sync LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
+       (cd build/latex; $(MAKE) clean && $(MAKE) --jobs=$$((`nproc`+1)) --output-sync LATEXMKOPTS='-quiet' all-pdf && $(MAKE) FMT=pdf zip bz2)
        cp build/latex/docs-pdf.zip dist/python-$(DISTVERSION)-docs-pdf-letter.zip
        cp build/latex/docs-pdf.tar.bz2 dist/python-$(DISTVERSION)-docs-pdf-letter.tar.bz2
        @echo "Build finished and archived!"