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Line 207... Line 207...
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AC_SUBST([TEXI2ANY_VERSION_MIN], [${r_cv_prog_texi2any_version_min}])
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AC_SUBST([TEXI2ANY_VERSION_MIN], [${r_cv_prog_texi2any_version_min}])
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])# R_PROG_TEXI2ANY
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])# R_PROG_TEXI2ANY
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 209 
 
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## _R_PROG_TEXI2ANY_VERSION
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## _R_PROG_TEXI2ANY_VERSION
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## ------------------------
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## ------------------------
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## Building the R manuals requires Texinfo v6.1 or later.
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## Building the R manuals requires Texinfo v6.8 or later.
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## Set shell variable r_cv_prog_texi2any_v6 to 'yes' if a recent
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## Set shell variable r_cv_prog_texi2any_v6 to 'yes' if a recent
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## enough texi2any aka  makeinfo is found, and to 'no' otherwise.
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## enough texi2any aka  makeinfo is found, and to 'no' otherwise.
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## If you change the minimum version here, also change it in
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## If you change the minimum version here, also change it in
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## doc/manual/Makefile.in and doc/manual/R-admin.texi.
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## doc/manual/Makefile.in and doc/manual/R-{admin,ints}.texi.
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AC_DEFUN([_R_PROG_TEXI2ANY_VERSION],
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AC_DEFUN([_R_PROG_TEXI2ANY_VERSION],
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[AC_CACHE_VAL([r_cv_prog_texi2any_version],
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[AC_CACHE_VAL([r_cv_prog_texi2any_version],
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[r_cv_prog_texi2any_version=`${TEXI2ANY} --version | \
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[r_cv_prog_texi2any_version=`${TEXI2ANY} --version | \
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  grep -E '^(makeinfo|texi2any)' | sed 's/[[^)]]*) \(.*\)/\1/'`])
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  grep -E '^(makeinfo|texi2any)' | sed 's/[[^)]]*) \(.*\)/\1/'`])
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AC_CACHE_VAL([r_cv_prog_texi2any_version_maj],
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AC_CACHE_VAL([r_cv_prog_texi2any_version_maj],
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[r_cv_prog_texi2any_version_maj=`echo ${r_cv_prog_texi2any_version} | \
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[r_cv_prog_texi2any_version_maj=`echo ${r_cv_prog_texi2any_version} | \
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  cut -f1 -d.`])
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  cut -f1 -d.`])
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AC_CACHE_VAL([r_cv_prog_texi2any_version_min],
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AC_CACHE_VAL([r_cv_prog_texi2any_version_min],
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[r_cv_prog_texi2any_version_min=`echo ${r_cv_prog_texi2any_version} | \
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[r_cv_prog_texi2any_version_min=`echo ${r_cv_prog_texi2any_version} | \
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  cut -f2 -d. | tr -dc '0123456789.'`])
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  cut -f2 -d. | tr -dc '0123456789.'`])
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AC_CACHE_CHECK([whether texi2any version is at least 6.1],
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AC_CACHE_CHECK([whether texi2any version is at least 6.8],
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                [r_cv_prog_texi2any_v6],
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                [r_cv_prog_texi2any_v6],
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[if test -z "${r_cv_prog_texi2any_version_maj}" \
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[if test -z "${r_cv_prog_texi2any_version_maj}" \
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     || test -z "${r_cv_prog_texi2any_version_min}"; then
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     || test -z "${r_cv_prog_texi2any_version_min}"; then
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  r_cv_prog_texi2any_v6=no
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  r_cv_prog_texi2any_v6=no
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elif test ${r_cv_prog_texi2any_version_maj} -gt 6; then
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elif test ${r_cv_prog_texi2any_version_maj} -gt 6; then
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  r_cv_prog_texi2any_v6=yes
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  r_cv_prog_texi2any_v6=yes
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elif test ${r_cv_prog_texi2any_version_maj} -lt 6 \
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elif test ${r_cv_prog_texi2any_version_maj} -lt 6 \
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     || test ${r_cv_prog_texi2any_version_min} -lt 1; then
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     || test ${r_cv_prog_texi2any_version_min} -lt 8; then
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  r_cv_prog_texi2any_v6=no
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  r_cv_prog_texi2any_v6=no
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else
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else
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  r_cv_prog_texi2any_v6=yes
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  r_cv_prog_texi2any_v6=yes
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fi])
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fi])
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  ## Also record whether texi2any is at least 7 to appropriately handle
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  ## HTML and EPUB output changes, see
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  ## <https://lists.gnu.org/archive/html/bug-texinfo/2022-11/msg00036.html>.
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AC_CACHE_VAL([r_cv_prog_texi2any_v7],
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[if test ${r_cv_prog_texi2any_v6} = yes \
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     && test ${r_cv_prog_texi2any_version_maj} -ge 7; then
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  r_cv_prog_texi2any_v7=yes
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else
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  r_cv_prog_texi2any_v7=no
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fi])
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])# _R_PROG_TEXI2ANY_VERSION
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])# _R_PROG_TEXI2ANY_VERSION
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## R_PROG_BROWSER
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## R_PROG_BROWSER
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## --------------
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## --------------
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## xdg-open is the freedesktop.org interface to kfmclient/gnome-open
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## xdg-open is the freedesktop.org interface to kfmclient/gnome-open
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  AC_MSG_WARN([${warn_browser}])
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  AC_MSG_WARN([${warn_browser}])
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else
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else
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  AC_MSG_RESULT([using default browser ... ${R_BROWSER}])
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  AC_MSG_RESULT([using default browser ... ${R_BROWSER}])
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fi
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fi
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AC_SUBST(R_BROWSER)
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AC_SUBST(R_BROWSER)
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])# R_BROWSER
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])# R_PROG_BROWSER
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## R_PROG_PDFVIEWER
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## R_PROG_PDFVIEWER
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## ----------------
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## ----------------
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## Try to determine a PDF viewer.
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## Try to determine a PDF viewer.
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## According to Jeff Gentry <jgentry@jimmy.harvard.edu>, 'acroread4' is
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## According to Jeff Gentry <jgentry@jimmy.harvard.edu>, 'acroread4' is
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if test -z "${R_PDFVIEWER}"; then
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if test -z "${R_PDFVIEWER}"; then
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  warn_pdfviewer="I could not determine a PDF viewer"
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  warn_pdfviewer="I could not determine a PDF viewer"
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  AC_MSG_WARN([${warn_pdfviewer}])
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  AC_MSG_WARN([${warn_pdfviewer}])
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fi
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fi
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AC_SUBST(R_PDFVIEWER)
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AC_SUBST(R_PDFVIEWER)
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])# R_PDFVIEWER
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])# R_PROG_PDFVIEWER
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 272 
 
283 
### * C compiler and its characteristics.
 273 
### * C compiler and its characteristics.
284 
 
 274 
 
285 
## R_PROG_CPP_CPPFLAGS
 275 
## R_PROG_CPP_CPPFLAGS
286 
## -------------------
 276 
## -------------------