Better commenting in configure.ac

darcs-hash:20060302014729-ac50b-fba9ec3e24abb387bc63effbc86dd9177a9b95f0.gz
This commit is contained in:
axel 2006-03-02 11:47:29 +10:00
parent 7a1d64637d
commit d1bb30afae

View file

@ -1,6 +1,9 @@
# Process this file with autoconf to produce a configure script.
AC_INIT(fish,1.21.1,fish-users@lists.sf.net)
# Detect directories which may contain additional headers, libraries
# and commands. This needs to be done early - before Autoconf starts
# to mess with CFLAGS and all the other environemnt variables.
for i in /usr/pkg /sw /opt /opt/local; do
AC_MSG_CHECKING([for $i/include include directory])
@ -65,10 +68,11 @@ This program is needed to build fish.
Please install it and try again.])
fi
# Check for seq program. If missing, install fallback shellscript implementation
# Check for seq command. If missing, make sure fallback shellscript
# implementation is installed
AC_CHECK_PROG( SEQ_FALLBACK, seq, [ ], [seq])
# Optionally drop xsel
# Optionally drop xsel command
AC_ARG_WITH( xsel,
AC_HELP_STRING([--without-xsel],
[do not build the xsel program needed for X clipboard integration]),
@ -95,7 +99,10 @@ fi
AC_DEFINE_UNQUOTED([CPU],[L"$target_cpu"],[CPU type])
# Set up installation directories
# Set up PREFIX and related preprocessor symbols. Fish needs to know
# where it will be installed. One of the reasons for this is so that
# it can make sure the fish installation directory is in the path
# during startup.
if [[ "$prefix" = NONE ]]; then
AC_DEFINE_UNQUOTED( [PREFIX], L"/usr/local", [Installation directory])
AC_SUBST( PREFIX, /usr/local)
@ -104,7 +111,14 @@ else
AC_DEFINE_UNQUOTED( [PREFIX], L"$prefix", [Installation directory])
AC_SUBST( PREFIX, [$prefix])
fi
AC_DEFINE_UNQUOTED( SYSCONFDIR, [L"$(eval echo $sysconfdir)"], [System configuration directory] )
AC_DEFINE_UNQUOTED( DATADIR, [L"$(eval echo $datadir)"], [System configuration directory] )
AC_SUBST( SYSCONFDIR, ["$(eval echo $sysconfdir)"] )
AC_SUBST( DATADIR, ["$(eval echo $datadir)"] )
# Set up the directory where the documentation files should be
# installed
AC_ARG_VAR( [docdir], [Documentation direcotry] )
if test -z $docdir; then
@ -112,48 +126,38 @@ if test -z $docdir; then
fi
AC_DEFINE_UNQUOTED( DOCDIR, [L"$(eval echo $docdir)"], [Documentation directory] )
AC_DEFINE_UNQUOTED( SYSCONFDIR, [L"$(eval echo $sysconfdir)"], [System configuration directory] )
AC_DEFINE_UNQUOTED( DATADIR, [L"$(eval echo $datadir)"], [System configuration directory] )
AC_SUBST( SYSCONFDIR, ["$(eval echo $sysconfdir)"] )
AC_SUBST( DATADIR, ["$(eval echo $datadir)"] )
# Set up locale directory
# Set up locale directory. This is where the .po files will be
# installed.
AC_DEFINE_UNQUOTED( [LOCALEDIR], "$(eval echo $datadir)/locale", [Locale directory])
AC_SUBST( [LOCALEDIR], [$datadir/locale])
# See if Linux procfs is present
# See if Linux procfs is present. This is used to get extra
# information about running processes.
AC_CHECK_FILES([/proc/self/stat])
# Check for RLIMIT_NPROC in sys/resource.h.
AC_MSG_CHECKING([for RLIMIT_NPROC in sys/resource.h])
AC_TRY_COMPILE([#include <sys/resource.h>],
[int tmp; tmp=RLIMIT_NPROC;], have_rlimit_as=yes, have_rlimit_as=no)
if test "$have_rlimit_as" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_RLIMIT_NPROC], [1],
[Define to 1 if HAVE_RLIMIT_NPROC is defined in <sys/resource.h>.])
else
AC_MSG_RESULT(no)
fi
# Check for libraries
# Check for presense of various libraries
AC_SEARCH_LIBS( gettext, intl )
AC_SEARCH_LIBS( connect, socket, , [AC_MSG_ERROR([Cannot find the socket library, needed to build this package.] )] )
AC_SEARCH_LIBS( nanosleep, rt, , [AC_MSG_ERROR([Cannot find the rt library, needed to build this package.] )] )
AC_SEARCH_LIBS( setupterm, [ncurses curses], , [AC_MSG_ERROR([Could not find a curses implementation, needed to build fish])] )
# Check for various header files
# Check for presense of various header files
AC_CHECK_HEADERS([getopt.h termio.h sys/resource.h term.h ncurses/term.h libintl.h ncurses.h curses.h])
AC_CHECK_HEADER([regex.h],
[AC_DEFINE([HAVE_REGEX_H], [1], [Define to 1 if you have the <regex.h> header file.])],
[AC_MSG_ERROR([Could not find the header regex.h, needed to build fish])])
# Check for various functions, and insert results into config.h
# Check for presense of various functions
AC_CHECK_FUNCS( wcsdup wcsndup wcslen wcscasecmp wcsncasecmp gettext fwprintf )
AC_CHECK_FUNCS( futimes wcwidth wcswidth getopt_long wcstok fputwc fgetwc )
AC_CHECK_FUNCS( wcstol dcgettext )
# Here follows a list of small programs used to test for various
# features that Autoconf doesn't tell us about
# Check if realpath accepts null for its second argument
AC_MSG_CHECKING([if realpath accepts null for its second argument])
AC_RUN_IFELSE(
@ -200,6 +204,18 @@ fi
fi
# Check for RLIMIT_NPROC in sys/resource.h.
AC_MSG_CHECKING([for RLIMIT_NPROC in sys/resource.h])
AC_TRY_COMPILE([#include <sys/resource.h>],
[int tmp; tmp=RLIMIT_NPROC;], have_rlimit_as=yes, have_rlimit_as=no)
if test "$have_rlimit_as" = yes; then
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_RLIMIT_NPROC], [1],
[Define to 1 if HAVE_RLIMIT_NPROC is defined in <sys/resource.h>.])
else
AC_MSG_RESULT(no)
fi
# Check for RLIMIT_AS in sys/resource.h.
AC_MSG_CHECKING([for RLIMIT_AS in sys/resource.h])
AC_TRY_COMPILE([#include <sys/resource.h>],
@ -254,6 +270,7 @@ else
AC_MSG_RESULT(no)
fi
# Tell the world what we know
AC_CONFIG_FILES([Makefile fish.spec doc_src/fish.1 doc_src/Doxyfile etc/fish etc/fish_interactive.fish seq])
AC_OUTPUT