libraries/lapack: Add man pages.

Thanks to Mario Benincasa for the suggestion.

Signed-off-by: Kyle Guinn <elyk03@gmail.com>

1 files changed, 52 insertions, 2 deletions

diff --git a/libraries/lapack/lapack.SlackBuild b/libraries/lapack/lapack.SlackBuild
index cdfdd9e89b2a2..44526623f0c2b 100644
--- a/libraries/lapack/lapack.SlackBuild
+++ b/libraries/lapack/lapack.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for LAPACK
 
-# Copyright 2014 Kyle Guinn <elyk03@gmail.com>, USA
+# Copyright 2014-2015 Kyle Guinn <elyk03@gmail.com>, USA
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -24,7 +24,7 @@
 
 PRGNAM=lapack
 VERSION=${VERSION:-3.5.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -121,6 +121,56 @@ sed -i \
   -e "/^Libs:/s/-L[^ ]*/-L\${libdir}/" \
   $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/lapack.pc
 
+# Generate man pages.  Also requires some fix-ups:
+# 1.  Version is wrong.
+# 2.  Only generate on the LAPACK sources.
+# 3.  Turn off some repetitive comments.
+# 4.  Turn off HAVE_DOT.  Graphs are unnecessary for this purpose.
+# 5.  Turn off MAN_LINKS.  See below.
+sed -i \
+  -e "s/^\(PROJECT_NUMBER *=\).*/\1 ${VERSION}/" \
+  -e "s/^\(INPUT *=\).*/\1 SRC/" \
+  -e "s/^\(REPEAT_BRIEF *=\).*/\1 NO/" \
+  -e "s/^\(HAVE_DOT *=\).*/\1 NO/" \
+  -e "s/^\(MAN_LINKS *=\).*/\1 NO/" \
+  DOCS/Doxyfile_man
+doxygen DOCS/Doxyfile_man
+# Doxygen generates manpages on a file-by-file basis (note the .f extensions).
+# We want a page for each function, not each file.  MAN_LINKS creates a page
+# for each function that just sources the page for the corresponding file.
+# This adds a lot of bloat.  Luckily, functions map 1:1 with files, so we can
+# rename .f.3 -> .3 to have the page named after the function.
+mkdir -p $PKG/usr/man/man3
+for i in DOCS/man/man3/*.f.3; do
+  gzip -9c $i > $PKG/usr/man/man3/$(basename $i .f.3).3.gz
+done
+# Fix up some special cases where the mapping isn't 1:1.
+ln -s sladiv.3.gz $PKG/usr/man/man3/sladiv1.3.gz
+ln -s sladiv.3.gz $PKG/usr/man/man3/sladiv2.3.gz
+ln -s dladiv.3.gz $PKG/usr/man/man3/dladiv1.3.gz
+ln -s dladiv.3.gz $PKG/usr/man/man3/dladiv2.3.gz
+
+# Generate a few more man pages from the INSTALL directory, but copy only a
+# select few.  Some are duplicated by BLAS (lsame.f), by LAPACK (ilaver.f),
+# are unused (slamchf77.f, dlamchf77.f), or are test programs.
+rm -rf DOCS/man
+sed -i "s/^\(INPUT *=\).*/\1 INSTALL/" DOCS/Doxyfile_man
+doxygen DOCS/Doxyfile_man
+gzip -9c DOCS/man/man3/slamch.f.3 > $PKG/usr/man/man3/slamch.3.gz
+gzip -9c DOCS/man/man3/dlamch.f.3 > $PKG/usr/man/man3/dlamch.3.gz
+ln -s slamch.3.gz $PKG/usr/man/man3/slamc3.3.gz
+ln -s dlamch.3.gz $PKG/usr/man/man3/dlamc3.3.gz
+# The timer implementation is chosen at configure time.  Install the pages for
+# all implementations and create a link for the chosen one.
+for i in DOCS/man/man3/second_*.f.3 DOCS/man/man3/dsecnd_*.f.3; do
+  gzip -9c $i > $PKG/usr/man/man3/$(basename $i .f.3).3.gz
+done
+TIME_FUNC=$(grep '^TIME_FUNC' shared/CMakeCache.txt | cut -f2 -d=)
+if [ -n "${TIME_FUNC}" ]; then
+  ln -s second_${TIME_FUNC}.3.gz $PKG/usr/man/man3/second.3.gz
+  ln -s dsecnd_${TIME_FUNC}.3.gz $PKG/usr/man/man3/dsecnd.3.gz
+fi
+
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild