Add autotools support

.gitignore

@@ -3,3 +3,12 @@
 build
 *~
 *.o
+Makefile.in
+aclocal.m4
+autom4te.cache
+autoscan.log
+config.h.in
+configure
+depcomp
+install-sh
+missing

Makefile.am

@@ -0,0 +1,14 @@
+
+AM_CFLAGS=$(GLIB_CFLAGS)
+spawn_fcgi_LDADD=$(GLIB_LIBS)
+
+EXTRA_DIST=autogen.sh spawn-fcgi.1 CMakeLists.txt config.h.cmake
+man1_MANS=spawn-fcgi.1
+
+bin_PROGRAMS=spawn-fcgi
+
+if PAM_LIMITS
+spawn_fcgi_SOURCES=spawn-fcgi.c pam_limits.c
+else
+spawn_fcgi_SOURCES=spawn-fcgi.c
+endif

autogen.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+# Run this to generate all the initial makefiles, etc.
+
+ACLOCAL=${ACLOCAL:-aclocal}
+AUTOHEADER=${AUTOHEADER:-autoheader}
+AUTOMAKE=${AUTOMAKE:-automake}
+AUTOMAKE_FLAGS="--add-missing --copy"
+AUTOCONF=${AUTOCONF:-autoconf}
+
+ARGV0=$0
+
+set -e
+
+
+run() {
+	echo "$ARGV0: running \`$@'"
+	$@
+}
+
+run $ACLOCAL $ACLOCAL_FLAGS
+run $AUTOHEADER
+run $AUTOMAKE $AUTOMAKE_FLAGS
+run $AUTOCONF
+echo "Now type './configure ...' and 'make' to compile."

configure.ac

@@ -0,0 +1,74 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.61)
+AC_INIT([spawn-fcgi], [2.0.0], [])
+AC_CONFIG_SRCDIR([spawn-fcgi.c])
+AC_CONFIG_HEADER([config.h])
+
+AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_MAKE_SET
+AC_PROG_INSTALL
+
+# Checks for libraries.
+
+# glib-2.0
+PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.16.0, [
+  AC_DEFINE([HAVE_GLIB_H], [1], [glib.h])
+],[AC_MSG_ERROR("glib-2.0 >= 2.16.0 not found")])
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h stdlib.h string.h syslog.h unistd.h utmp.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_UID_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+
+# Checks for library functions.
+AC_FUNC_CHOWN
+AC_FUNC_FORK
+AC_FUNC_SELECT_ARGTYPES
+AC_FUNC_STAT
+AC_CHECK_FUNCS([dup2 memset putenv select socket strchr strerror strtol strtoul strtoull])
+
+# pam limits?
+AC_ARG_ENABLE(pam-limits,
+  AC_HELP_STRING([--enable-pam-limits],[enable pam limits]),
+  [case "${enableval}" in
+    yes) pamlimits=yes ;;
+     no) pamlimits=no ;;
+      *) AC_MSG_ERROR(bad value ${enableval} for --enable-pam-limits) ;;
+  esac],[pamlimits=yes])
+
+AM_CONDITIONAL(PAM_LIMITS, test "x$pamlimits" = xyes)
+if test "x$pamlimits" = xyes; then
+  AC_DEFINE([USE_LIMITS], [1], [pam limits])
+fi
+
+# check for extra compiler options (warning options)
+if test "${GCC}" = "yes"; then
+    CFLAGS="${CFLAGS} -Wall -W -Wshadow -pedantic -std=gnu99"
+fi
+
+AC_ARG_ENABLE(extra-warnings,
+ AC_HELP_STRING([--enable-extra-warnings],[enable extra warnings (gcc specific)]),
+ [case "${enableval}" in
+   yes) extrawarnings=true ;;
+    no) extrawarnings=false ;;
+     *) AC_MSG_ERROR(bad value ${enableval} for --enable-extra-warnings) ;;
+  esac],[extrawarnings=false])
+
+if test x$extrawarnings = xtrue; then
+    CFLAGS="${CFLAGS} -g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -Wformat-security"
+fi
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT