Description: Make the output of latex \year macro reproducible

Author: Paolo Greppi <paolo.greppi@libpf.com>

Last-Update: 2022-07-16

Index: doxygen/doc/Makefile.latex

===================================================================

--- doxygen.orig/doc/Makefile.latex

+++ doxygen/doc/Makefile.latex

@@ -16,10 +16,10 @@ all: doxygen_manual.pdf

 doxygen_manual.pdf: doxygen_manual.tex doxygen.sty

 	echo "Running latex..."

-	pdflatex -cnf-line="openout_any=r" doxygen_manual.tex

+	faketime @$(SOURCE_DATE_EPOCH) pdflatex -cnf-line="openout_any=r" doxygen_manual.tex

 	echo "Running makeindex..."

 	makeindex doxygen_manual.idx

 	echo "Rerunning latex...."

-	pdflatex -cnf-line="openout_any=r" doxygen_manual.tex

+	faketime @$(SOURCE_DATE_EPOCH) pdflatex -cnf-line="openout_any=r" doxygen_manual.tex

 clean:

 	rm -f *.ps *.dvi *.aux *.toc *.idx *.ind *.ilg *.log doxygen_manual.pdf

Index: doxygen/doc/CMakeLists.txt

===================================================================

--- doxygen.orig/doc/CMakeLists.txt

+++ doxygen/doc/CMakeLists.txt

@@ -201,9 +201,9 @@ add_custom_target(doxygen_pdf

         COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc/doxygen_manual.tex  .

         COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_BINARY_DIR}/doc/manual.sty  .

         COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/doc/doxygen_logo.pdf  .

-        COMMAND ${PDFLATEX}  -cnf-line="openout_any=r" -shell-escape doxygen_manual.tex

+        COMMAND faketime @$ENV{SOURCE_DATE_EPOCH} ${PDFLATEX}  -cnf-line="openout_any=r" -shell-escape doxygen_manual.tex

         COMMAND ${MAKEINDEX} doxygen_manual.idx

-        COMMAND ${PDFLATEX}  -cnf-line="openout_any=r" -shell-escape doxygen_manual.tex

+        COMMAND faketime @$ENV{SOURCE_DATE_EPOCH} ${PDFLATEX}  -cnf-line="openout_any=r" -shell-escape doxygen_manual.tex

         DEPENDS run_doxygen

         WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/latex

 )