perl version oddity

[exim.git] / doc / doc-docbook / Makefile

diff --git a/doc/doc-docbook/Makefile b/doc/doc-docbook/Makefile
index d835db9edfa961036999ed9a6b80148c61ff96e3..fb3db4b968134cc7f23a7d97bf1be42352e64147 100644 (file)
--- a/doc/doc-docbook/Makefile
+++ b/doc/doc-docbook/Makefile
@@ -1,17 +1,21 @@
 # Make file for Exim documentation from xfpt source.
+# Copyright (c) The Exim Maintainers 2020 - 2021
+export LC_ALL=C
 
 notarget:;    @echo "** You must specify a target, in the form x.y, where x is 'filter', 'spec',"
-             @echo "** or 'test', and y is 'xml', 'fo', 'ps', 'pdf', 'html', 'txt', or 'info'."
+             @echo "** or 'test', and y is 'xml', 'fo', 'ps', 'pdf', 'txt', or 'info'."
              @echo "** One other possible targets 'exim.8', 'spec.utf8'".
              exit 1
 
+# html used to be supported, but is not here since 50023e0551 (2010).
+# The website build script seems to handle it.
 
 ############################# EVERYTHING ###############################
 #
 # Generate all the documentation files...
 #
 ## removed info files as I cannot generate them -  spec.info filter.info
-## removed html files as superceded by new website code
+## removed html files as superseded by new website code
 everything:            spec.pdf        spec.ps         spec.txt \
                                filter.pdf      filter.ps filter.txt \
                                exim.8
@@ -33,7 +37,7 @@ local_params: FORCE GenLocalParams
        trap 'rm -f $$tmp' EXIT; \
        tmp=`mktemp`; \
        ./GenLocalParams $$tmp; \
-       cmp -s $@ $$tmp || mv $$tmp $@
+       cmp -s $@ $$tmp || mv -f $$tmp $@
 
 ############################### FILTER #################################
 
@@ -96,6 +100,7 @@ filter.txt:   filter-txt.xml Tidytxt MyStyle-txt-html.xsl MyStyle-html.xsl \
                 MyStyle.xsl
              /bin/rm -rf filter-txt.html
              xmlto -x MyStyle-txt-html.xsl html-nochunks filter-txt.xml
+             command -v w3m >/dev/null
              LC_ALL=C w3m -dump filter-txt.html | ./Tidytxt >filter.txt
              ./SanityTestText filter.txt
 
@@ -116,7 +121,7 @@ filter.info:  filter-info.xml
 ################################ SPEC ##################################
 
 spec.xml:      spec.xfpt local_params
-              xfpt $<
+              xfpt spec.xfpt
 
 spec-pr.xml:   spec.xml Pre-xml
               ./Pre-xml -optbreak <spec.xml >spec-pr.xml
@@ -175,16 +180,18 @@ spec.pdf: sdop-spec.pdf
 
 spec-txt.html:     spec-txt.xml \
                MyStyle-txt-html.xsl MyStyle-html.xsl MyStyle.xsl
-             xmlto -x MyStyle-txt-html.xsl html-nochunks $<
+             xmlto -x MyStyle-txt-html.xsl html-nochunks spec-txt.xml
 
 spec.utf8:     spec-txt.html Tidytxt
                @grep -iq 'LC_CTYPE=.*utf-\?8' local_params || { \
                        echo 'your current locale does not support UTF-8' >&2; \
                        false; }
-               w3m -dump $< | ./Tidytxt -utf8 >$@
+               command -v w3m >/dev/null
+               w3m -dump spec-txt.html | ./Tidytxt -utf8 >$@
 
 spec.txt: spec-txt.html Tidytxt
-             LC_ALL=C w3m -dump $< | ./Tidytxt >$@
+             command -v w3m >/dev/null
+             LC_ALL=C w3m -dump spec-txt.html | ./Tidytxt >$@
              ./SanityTestText spec.txt
 
 
@@ -270,6 +277,7 @@ test.txt:     test-txt.xml Tidytxt MyStyle-txt-html.xsl MyStyle-html.xsl \
                 MyStyle.xsl
              /bin/rm -rf test-txt.html
              xmlto -x MyStyle-txt-html.xsl html-nochunks test-txt.xml
+             command -v w3m >/dev/null
              w3m -dump test-txt.html | Tidytxt >test.txt
 
 # I have not found a way of making docbook2texi write its output anywhere