+ printf "No (will define _POSIX_PTHREAD_SEMANTICS to get it).\n"
+ std_getpwuid=0
+fi
+rm -f compat/check_getpwuid
+
+printf "Checking for standard version of asctime_r... "
+if ${CC} -o compat/check_asctime "$srcdir"/compat/check_asctime.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ std_asctime=1
+else
+ printf "No (will define _POSIX_PTHREAD_SEMANTICS to get it).\n"
+ std_asctime=0
+fi
+rm -f compat/check_asctime
+
+printf "Checking for rpath support... "
+if ${CC} -Wl,--enable-new-dtags -Wl,-rpath,/tmp/ -o minimal minimal.c >/dev/null 2>&1
+then
+ printf "Yes.\n"
+ rpath_ldflags="-Wl,--enable-new-dtags -Wl,-rpath,\$(libdir)"
+else
+ printf "No (nothing to worry about).\n"
+ rpath_ldflags=""
+fi
+
+printf "Checking for -Wl,--as-needed... "
+if ${CC} -Wl,--as-needed -o minimal minimal.c >/dev/null 2>&1
+then
+ printf "Yes.\n"
+ as_needed_ldflags="-Wl,--as-needed"
+else
+ printf "No (nothing to worry about).\n"
+ as_needed_ldflags=""
+fi
+
+printf "Checking for -Wl,--no-undefined... "
+if ${CC} -Wl,--no-undefined -o minimal minimal.c >/dev/null 2>&1
+then
+ printf "Yes.\n"
+ no_undefined_ldflags="-Wl,--no-undefined"
+else
+ printf "No (nothing to worry about).\n"
+ no_undefined_ldflags=""
+fi
+
+WARN_CXXFLAGS=""
+printf "Checking for available C++ compiler warning flags... "
+for flag in -Wall -Wextra -Wwrite-strings; do
+ if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1
+ then
+ WARN_CXXFLAGS="${WARN_CXXFLAGS}${WARN_CXXFLAGS:+ }${flag}"
+ fi
+done
+printf "\n\t%s\n" "${WARN_CXXFLAGS}"
+
+WARN_CFLAGS="${WARN_CXXFLAGS}"
+printf "Checking for available C compiler warning flags... "
+for flag in -Wmissing-declarations; do
+ if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1
+ then
+ WARN_CFLAGS="${WARN_CFLAGS}${WARN_CFLAGS:+ }${flag}"
+ fi
+done
+printf "\n\t%s\n" "${WARN_CFLAGS}"
+
+rm -f minimal minimal.c _libversion.c _libversion _libversion.sh
+
+# construct the Makefile.config
+cat > Makefile.config <<EOF
+# This Makefile.config was automatically generated by the ./configure
+# script of notmuch. If the configure script identified anything
+# incorrectly, then you can edit this file to try to correct things,
+# but be warned that if configure is run again it will destroy your
+# changes, (and this could happen by simply calling "make" if the
+# configure script is updated).
+
+# The top-level directory for the source, (the directory containing
+# the configure script). This may be different than the build
+# directory (the current directory at the time configure was run).
+srcdir = ${srcdir}
+
+# subdirectories to build
+subdirs = ${subdirs}
+
+configure_options = $@
+
+# We use vpath directives (rather than the VPATH variable) since the
+# VPATH variable matches targets as well as prerequisites, (which is
+# not useful since then a target left-over from a srcdir build would
+# cause a target to not be built in the non-srcdir build).
+#
+# Also, we don't use a single "vpath % \$(srcdir)" here because we
+# don't want the vpath to trigger for our emacs lisp compilation,
+# (unless we first find a way to convince emacs to build the .elc
+# target in a directory other than the directory of the .el
+# prerequisite). In the meantime, we're actually copying in the .el
+# files, (which is quite ugly).
+vpath %.c \$(srcdir)
+vpath %.cc \$(srcdir)
+vpath Makefile.% \$(srcdir)
+vpath %.py \$(srcdir)
+vpath %.rst \$(srcdir)
+
+# Library versions (used to make SONAME)
+# The major version of the library interface. This will control the soname.
+# As such, this number must be incremented for any incompatible change to
+# the library interface, (such as the deletion of an API or a major
+# semantic change that breaks formerly functioning code).
+#
+LIBNOTMUCH_VERSION_MAJOR = ${libnotmuch_version_major}
+
+# The minor version of the library interface. This should be incremented at
+# the time of release for any additions to the library interface,
+# (and when it is incremented, the release version of the library should
+# be reset to 0).
+LIBNOTMUCH_VERSION_MINOR = ${libnotmuch_version_minor}
+
+# The release version the library interface. This should be incremented at
+# the time of release if there have been no changes to the interface, (but
+# simply compatible changes to the implementation).
+LIBNOTMUCH_VERSION_RELEASE = ${libnotmuch_version_release}
+
+# These are derived from the VERSION macros in lib/notmuch.h so
+# if you have to change them, something is wrong.
+
+# The C compiler to use
+CC = ${CC}
+
+# The C++ compiler to use
+CXX = ${CXX}
+
+# Command to execute emacs from Makefiles
+EMACS = emacs --quick
+
+# Default FLAGS for C compiler (can be overridden by user such as "make CFLAGS=-g")
+CFLAGS = ${CFLAGS}
+
+# Default FLAGS for C preprocessor (can be overridden by user such as "make CPPFLAGS=-I/usr/local/include")
+CPPFLAGS = ${CPPFLAGS}
+
+# Default FLAGS for C++ compiler (can be overridden by user such as "make CXXFLAGS=-g")
+CXXFLAGS = ${CXXFLAGS}
+
+# Default FLAGS for the linker (can be overridden by user such as "make LDFLAGS=-znow")
+LDFLAGS = ${LDFLAGS}
+
+# Flags to enable warnings when using the C++ compiler
+WARN_CXXFLAGS=${WARN_CXXFLAGS}
+
+# Flags to enable warnings when using the C compiler
+WARN_CFLAGS=${WARN_CFLAGS}
+
+# Name of python interpreter
+PYTHON = ${python}
+
+# The prefix to which notmuch should be installed
+# Note: If you change this value here, be sure to ensure that the
+# LIBDIR_IN_LDCONFIG value below is still set correctly.
+prefix = ${PREFIX}
+
+# The directory to which libraries should be installed
+# Note: If you change this value here, be sure to ensure that the
+# LIBDIR_IN_LDCONFIG value below is still set correctly.
+libdir = ${LIBDIR:=\$(prefix)/lib}
+
+# byte order within a 32 bit word. 1234 = little, 4321 = big, 0 = guess
+UTIL_BYTE_ORDER = ${util_byte_order}
+
+# Whether libdir is in a path configured into ldconfig
+LIBDIR_IN_LDCONFIG = ${libdir_in_ldconfig}
+
+# The directory to which header files should be installed
+includedir = ${INCLUDEDIR:=\$(prefix)/include}
+
+# The directory to which man pages should be installed
+mandir = ${MANDIR:=\$(prefix)/share/man}
+
+# The directory to which read-only (configuration) files should be installed
+sysconfdir = ${SYSCONFDIR:=\$(prefix)/etc}
+
+# The directory to which emacs lisp files should be installed
+emacslispdir=${EMACSLISPDIR}
+
+# The directory to which emacs miscellaneous (machine-independent) files should
+# be installed
+emacsetcdir=${EMACSETCDIR}
+
+# Whether there's an emacs binary available for byte-compiling
+HAVE_EMACS = ${have_emacs}
+
+# Whether there's a sphinx-build binary available for building documentation
+HAVE_SPHINX=${have_sphinx}
+
+# Whether there's a doxygen binary available for building api documentation
+HAVE_DOXYGEN=${have_doxygen}
+
+# The directory to which desktop files should be installed
+desktop_dir = \$(prefix)/share/applications
+
+# The directory to which bash completions files should be installed
+bash_completion_dir = ${BASHCOMPLETIONDIR:=\$(sysconfdir)/bash_completion.d}
+
+# The directory to which zsh completions files should be installed
+zsh_completion_dir = ${ZSHCOMLETIONDIR:=\$(prefix)/share/zsh/functions/Completion/Unix}
+
+# Whether the canonicalize_file_name function is available (if not, then notmuch will
+# build its own version)
+HAVE_CANONICALIZE_FILE_NAME = ${have_canonicalize_file_name}
+
+# Whether the getline function is available (if not, then notmuch will
+# build its own version)
+HAVE_GETLINE = ${have_getline}
+
+# Are the ruby development files (and ruby) available? If not skip
+# building/testing ruby bindings.
+HAVE_RUBY_DEV = ${have_ruby_dev}
+
+# Whether the strcasestr function is available (if not, then notmuch will
+# build its own version)
+HAVE_STRCASESTR = ${have_strcasestr}
+
+# Whether the strsep function is available (if not, then notmuch will
+# build its own version)
+HAVE_STRSEP = ${have_strsep}
+
+# Whether the timegm function is available (if not, then notmuch will
+# build its own version)
+HAVE_TIMEGM = ${have_timegm}
+
+# Whether struct dirent has d_type (if not, then notmuch will use stat)
+HAVE_D_TYPE = ${have_d_type}
+
+# Whether the Xapian version in use supports compaction
+HAVE_XAPIAN_COMPACT = ${have_xapian_compact}
+
+# Whether the Xapian version in use supports field processors
+HAVE_XAPIAN_FIELD_PROCESSOR = ${have_xapian_field_processor}
+
+# Whether the Xapian version in use supports DB_RETRY_LOCK
+HAVE_XAPIAN_DB_RETRY_LOCK = ${have_xapian_db_retry_lock}
+
+# Whether the getpwuid_r function is standards-compliant
+# (if not, then notmuch will #define _POSIX_PTHREAD_SEMANTICS
+# to enable the standards-compliant version -- needed for Solaris)
+STD_GETPWUID = ${std_getpwuid}
+
+# Whether the asctime_r function is standards-compliant
+# (if not, then notmuch will #define _POSIX_PTHREAD_SEMANTICS
+# to enable the standards-compliant version -- needed for Solaris)
+STD_ASCTIME = ${std_asctime}
+
+# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD, OPENBSD
+PLATFORM = ${platform}
+
+# Whether the linker will automatically resolve the dependency of one
+# library on another (if not, then linking a binary requires linking
+# directly against both)
+LINKER_RESOLVES_LIBRARY_DEPENDENCIES = ${linker_resolves_library_dependencies}
+
+# Flags needed to compile and link against Xapian
+XAPIAN_CXXFLAGS = ${xapian_cxxflags}
+XAPIAN_LDFLAGS = ${xapian_ldflags}
+
+# Which backend will Xapian use by default?
+DEFAULT_XAPIAN_BACKEND = ${default_xapian_backend}
+
+# Flags needed to compile and link against GMime
+GMIME_CFLAGS = ${gmime_cflags}
+GMIME_LDFLAGS = ${gmime_ldflags}
+
+# Flags needed to compile and link against zlib
+ZLIB_CFLAGS = ${zlib_cflags}
+ZLIB_LDFLAGS = ${zlib_ldflags}
+
+# Flags needed to compile and link against talloc
+TALLOC_CFLAGS = ${talloc_cflags}
+TALLOC_LDFLAGS = ${talloc_ldflags}
+
+# Flags needed to have linker set rpath attribute
+RPATH_LDFLAGS = ${rpath_ldflags}
+
+# Flags needed to have linker link only to necessary libraries
+AS_NEEDED_LDFLAGS = ${as_needed_ldflags}
+
+# Flags to have the linker flag undefined symbols in object files
+NO_UNDEFINED_LDFLAGS = ${no_undefined_ldflags}
+
+# Whether valgrind header files are available
+HAVE_VALGRIND = ${have_valgrind}
+
+# And if so, flags needed at compile time for valgrind macros
+VALGRIND_CFLAGS = ${valgrind_cflags}
+
+# Support for emacs
+WITH_EMACS = ${WITH_EMACS}
+
+# Support for desktop file
+WITH_DESKTOP = ${WITH_DESKTOP}
+
+# Support for bash completion
+WITH_BASH = ${WITH_BASH}
+
+# Support for zsh completion
+WITH_ZSH = ${WITH_ZSH}
+
+# Combined flags for compiling and linking against all of the above
+COMMON_CONFIGURE_CFLAGS = \\
+ \$(GMIME_CFLAGS) \$(TALLOC_CFLAGS) \$(ZLIB_CFLAGS) \\
+ -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \$(VALGRIND_CFLAGS) \\
+ -DHAVE_GETLINE=\$(HAVE_GETLINE) \\
+ -DHAVE_CANONICALIZE_FILE_NAME=\$(HAVE_CANONICALIZE_FILE_NAME) \\
+ -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR) \\
+ -DHAVE_STRSEP=\$(HAVE_STRSEP) \\
+ -DHAVE_TIMEGM=\$(HAVE_TIMEGM) \\
+ -DHAVE_D_TYPE=\$(HAVE_D_TYPE) \\
+ -DSTD_GETPWUID=\$(STD_GETPWUID) \\
+ -DSTD_ASCTIME=\$(STD_ASCTIME) \\
+ -DHAVE_XAPIAN_COMPACT=\$(HAVE_XAPIAN_COMPACT) \\
+ -DSILENCE_XAPIAN_DEPRECATION_WARNINGS \\
+ -DHAVE_XAPIAN_FIELD_PROCESSOR=\$(HAVE_XAPIAN_FIELD_PROCESSOR) \\
+ -DHAVE_XAPIAN_DB_RETRY_LOCK=\$(HAVE_XAPIAN_DB_RETRY_LOCK) \\
+ -DUTIL_BYTE_ORDER=\$(UTIL_BYTE_ORDER)
+
+CONFIGURE_CFLAGS = \$(COMMON_CONFIGURE_CFLAGS)
+
+CONFIGURE_CXXFLAGS = \$(COMMON_CONFIGURE_CFLAGS) \$(XAPIAN_CXXFLAGS)
+
+CONFIGURE_LDFLAGS = \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(ZLIB_LDFLAGS) \$(XAPIAN_LDFLAGS)
+EOF
+
+# construct the sh.config
+cat > sh.config <<EOF
+# This sh.config was automatically generated by the ./configure
+# script of notmuch.
+
+# Whether the Xapian version in use supports compaction
+NOTMUCH_HAVE_XAPIAN_COMPACT=${have_xapian_compact}
+
+# Whether the Xapian version in use supports field processors
+NOTMUCH_HAVE_XAPIAN_FIELD_PROCESSOR=${have_xapian_field_processor}
+
+# Whether the Xapian version in use supports lock retry
+NOTMUCH_HAVE_XAPIAN_DB_RETRY_LOCK=${have_xapian_db_retry_lock}
+
+# Which backend will Xapian use by default?
+NOTMUCH_DEFAULT_XAPIAN_BACKEND=${default_xapian_backend}
+
+# do we have man pages?
+NOTMUCH_HAVE_MAN=$((have_sphinx))
+
+# Name of python interpreter
+NOTMUCH_PYTHON=${python}
+
+# Are the ruby development files (and ruby) available? If not skip
+# building/testing ruby bindings.
+NOTMUCH_HAVE_RUBY_DEV=${have_ruby_dev}
+EOF
+
+# Finally, after everything configured, inform the user how to continue.