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# The build process allows for using a cross-compiler. But the default

# action is to target the same platform that we are running on. The

# configure script needs to discover the following properties of the

# build and target systems:

# srcdir

# The is the name of the directory that contains the

# "configure" shell script. All source files are

# located relative to this directory.

# bindir

# The name of the directory where executables should be

# written by the "install" target of the makefile.

# program_prefix

# Add this prefix to the names of all executables that run

# on the target machine. Default: ""

# ENABLE_SHARED

# True if shared libraries should be generated.

# BUILD_CC

# The name of a command that is used to convert C

# source files into executables that run on the build

# platform.

# BUILD_CFLAGS

# Switches that the build compiler needs in order to construct

# command-line programs.

# BUILD_LIBS

# Libraries that the build compiler needs in order to construct

# command-line programs.

# BUILD_EXEEXT

# The filename extension for executables on the build

# platform. "" for Unix and ".exe" for Windows.

# TCL_*

# Lots of values are read in from the tclConfig.sh script,

# if that script is available. This values are used for

# constructing and installing the TCL extension.

# TARGET_READLINE_LIBS

# This is the library directives passed to the target linker

# that cause the executable to link against the readline library.

# This might be a switch like "-lreadline" or pathnames of library

# file like "../../src/libreadline.a".

# TARGET_READLINE_INC

# This variables define the directory that contain header

# files for the readline library. If the compiler is able

# to find <readline.h> on its own, then this can be blank.

# TARGET_EXEEXT

# The filename extension for executables on the

# target platform. "" for Unix and ".exe" for windows.

# This configure.in file is easy to reuse on other projects. Just

# change the argument to AC_INIT(). And disable any features that

# you don't need (for example BLT) by erasing or commenting out

# the corresponding code.

AC_INIT(sqlcipher, m4_esyscmd([cat VERSION | tr -d '\n']))

dnl Make sure the local VERSION file matches this configure script

sqlite_version_sanity_check=`cat $srcdir/VERSION | tr -d '\n'`

if test "$PACKAGE_VERSION" != "$sqlite_version_sanity_check" ; then

AC_MSG_ERROR([configure script is out of date:

configure \$PACKAGE_VERSION = $PACKAGE_VERSION

top level VERSION file = $sqlite_version_sanity_check

please regen with autoconf])

#########

# Programs needed

AC_PROG_LIBTOOL

AC_PROG_INSTALL

AC_PROG_AWK

#########

# Enable large file support (if special flags are necessary)

AC_SYS_LARGEFILE

#########

# Check for needed/wanted data types

AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, intptr_t, uint8_t,

uint16_t, uint32_t, uint64_t, uintptr_t])

#########

# Check for needed/wanted headers

AC_CHECK_HEADERS([sys/types.h stdlib.h stdint.h inttypes.h malloc.h])

#########

# Figure out whether or not we have these functions

AC_CHECK_FUNCS([fdatasync gmtime_r isnan localtime_r localtime_s malloc_usable_size strchrnul usleep utime])

#########

# By default, we use the amalgamation (this may be changed below...)

USE_AMALGAMATION=1

#########

# See whether we can run specific tclsh versions known to work well;

# if not, then we fall back to plain tclsh.

# TODO: try other versions before falling back?

AC_CHECK_PROGS(TCLSH_CMD, [tclsh8.6 tclsh8.5 tclsh], none)

if test "$TCLSH_CMD" = "none"; then

# If we can't find a local tclsh, then building the amalgamation will fail.

# We act as though --disable-amalgamation has been used.

echo "Warning: can't find tclsh - defaulting to non-amalgamation build."

USE_AMALGAMATION=0

TCLSH_CMD="tclsh"

AC_SUBST(TCLSH_CMD)

AC_ARG_VAR([TCLLIBDIR], [Where to install tcl plugin])

if test "x${TCLLIBDIR+set}" != "xset" ; then

TCLLIBDIR='$(libdir)'

for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}` ; do

TCLLIBDIR=$i

break

done

TCLLIBDIR="${TCLLIBDIR}/sqlite3"

#########

# Set up an appropriate program prefix

if test "$program_prefix" = "NONE"; then

program_prefix=""

AC_SUBST(program_prefix)

VERSION=[`cat $srcdir/VERSION | sed 's/^$[0-9]*\.*[0-9]*$.*/\1/'`]

AC_MSG_NOTICE(Version set to $VERSION)

AC_SUBST(VERSION)

RELEASE=`cat $srcdir/VERSION`

AC_MSG_NOTICE(Release set to $RELEASE)

AC_SUBST(RELEASE)

VERSION_NUMBER=[`cat $srcdir/VERSION \

| sed 's/[^0-9]/ /g' \

| awk '{printf "%d%03d%03d",$1,$2,$3}'`]

AC_MSG_NOTICE(Version number set to $VERSION_NUMBER)

AC_SUBST(VERSION_NUMBER)

#########

# Locate a compiler for the build machine. This compiler should

# generate command-line programs that run on the build machine.

if test x"$cross_compiling" = xno; then

BUILD_CC=$CC

BUILD_CFLAGS=$CFLAGS

else

if test "${BUILD_CC+set}" != set; then

AC_CHECK_PROGS(BUILD_CC, gcc cc cl)

if test "${BUILD_CFLAGS+set}" != set; then

BUILD_CFLAGS="-g"

AC_SUBST(BUILD_CC)

##########

# Do we want to support multithreaded use of sqlite

AC_ARG_ENABLE(threadsafe,

AC_HELP_STRING([--disable-threadsafe],[Disable mutexing]),,enable_threadsafe=yes)

AC_MSG_CHECKING([whether to support threadsafe operation])

if test "$enable_threadsafe" = "no"; then

SQLITE_THREADSAFE=0

AC_MSG_RESULT([no])

else

SQLITE_THREADSAFE=1

AC_MSG_RESULT([yes])

AC_SUBST(SQLITE_THREADSAFE)

if test "$SQLITE_THREADSAFE" = "1"; then

AC_SEARCH_LIBS(pthread_create, pthread)

##########

# Which crypto library do we use

AC_ARG_WITH([crypto-lib],

AC_HELP_STRING([--with-crypto-lib],[Specify which crypto library to use]),

crypto_lib=$withval)

AC_MSG_CHECKING([for crypto library to use])

if test "$crypto_lib" = "none"; then

AC_MSG_RESULT([none])

else

if test "$crypto_lib" = "commoncrypto"; then

CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"

BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"

AC_MSG_RESULT([commoncrypto])

else

if test "$crypto_lib" = "libtomcrypt"; then

CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"

BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"

AC_MSG_RESULT([libtomcrypt])

AC_CHECK_LIB([tomcrypt], [register_cipher], ,

AC_MSG_ERROR([Library crypto not found. Install libtomcrypt!"]))

else

CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"

BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"

AC_MSG_RESULT([openssl])

AC_CHECK_LIB([crypto], [HMAC_Init_ex], ,

AC_MSG_ERROR([Library crypto not found. Install openssl!"]))

##########

# Do we want to allow a connection created in one thread to be used

# in another thread. This does not work on many Linux systems (ex: RedHat 9)

# due to bugs in the threading implementations. This is thus off by default.

AC_ARG_ENABLE(cross-thread-connections,

AC_HELP_STRING([--enable-cross-thread-connections],[Allow connection sharing across threads]),,enable_xthreadconnect=no)

AC_MSG_CHECKING([whether to allow connections to be shared across threads])

if test "$enable_xthreadconnect" = "no"; then

XTHREADCONNECT=''

AC_MSG_RESULT([no])

else

XTHREADCONNECT='-DSQLITE_ALLOW_XTHREAD_CONNECT=1'

AC_MSG_RESULT([yes])

AC_SUBST(XTHREADCONNECT)

##########

# Do we want to support release

AC_ARG_ENABLE(releasemode,

AC_HELP_STRING([--enable-releasemode],[Support libtool link to release mode]),,enable_releasemode=no)

AC_MSG_CHECKING([whether to support shared library linked as release mode or not])

if test "$enable_releasemode" = "no"; then

ALLOWRELEASE=""

AC_MSG_RESULT([no])

else

ALLOWRELEASE="-release `cat $srcdir/VERSION`"

AC_MSG_RESULT([yes])

AC_SUBST(ALLOWRELEASE)

##########

# Do we want temporary databases in memory

AC_ARG_ENABLE(tempstore,

AC_HELP_STRING([--enable-tempstore],[Use an in-ram database for temporary tables (never,no,yes,always)]),,enable_tempstore=no)

AC_MSG_CHECKING([whether to use an in-ram database for temporary tables])

case "$enable_tempstore" in

never )

TEMP_STORE=0

AC_MSG_RESULT([never])

;;

no )

TEMP_STORE=1

AC_MSG_RESULT([no])

;;

yes )

TEMP_STORE=2

AC_MSG_RESULT([yes])

;;

always )

TEMP_STORE=3

AC_MSG_RESULT([always])

;;

* )

TEMP_STORE=1

AC_MSG_RESULT([no])

;;

esac

AC_SUBST(TEMP_STORE)

###########

# Lots of things are different if we are compiling for Windows using

# the CYGWIN environment. So check for that special case and handle

# things accordingly.

AC_MSG_CHECKING([if executables have the .exe suffix])

if test "$config_BUILD_EXEEXT" = ".exe"; then

CYGWIN=yes

AC_MSG_RESULT(yes)

else

AC_MSG_RESULT(unknown)

if test "$CYGWIN" != "yes"; then

AC_CYGWIN

if test "$CYGWIN" = "yes"; then

BUILD_EXEEXT=.exe

else

BUILD_EXEEXT=$EXEEXT

if test x"$cross_compiling" = xno; then

TARGET_EXEEXT=$BUILD_EXEEXT

else

TARGET_EXEEXT=$config_TARGET_EXEEXT

if test "$TARGET_EXEEXT" = ".exe"; then

SQLITE_OS_UNIX=0

SQLITE_OS_WIN=1

CFLAGS="$CFLAGS -DSQLITE_OS_WIN=1"

else

SQLITE_OS_UNIX=1

SQLITE_OS_WIN=0

CFLAGS="$CFLAGS -DSQLITE_OS_UNIX=1"

AC_SUBST(BUILD_EXEEXT)

AC_SUBST(SQLITE_OS_UNIX)

AC_SUBST(SQLITE_OS_WIN)

AC_SUBST(TARGET_EXEEXT)

##########

# Figure out all the parameters needed to compile against Tcl.

# This code is derived from the SC_PATH_TCLCONFIG and SC_LOAD_TCLCONFIG

# macros in the in the tcl.m4 file of the standard TCL distribution.

# Those macros could not be used directly since we have to make some

# minor changes to accomodate systems that do not have TCL installed.

AC_ARG_ENABLE(tcl, AC_HELP_STRING([--disable-tcl],[do not build TCL extension]),

[use_tcl=$enableval],[use_tcl=yes])

if test "${use_tcl}" = "yes" ; then

AC_ARG_WITH(tcl, AC_HELP_STRING([--with-tcl=DIR],[directory containing tcl configuration (tclConfig.sh)]), with_tclconfig=${withval})

AC_MSG_CHECKING([for Tcl configuration])

AC_CACHE_VAL(ac_cv_c_tclconfig,[

# First check to see if --with-tcl was specified.

if test x"${with_tclconfig}" != x ; then

if test -f "${with_tclconfig}/tclConfig.sh" ; then

ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`

else

AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])

# Start autosearch by asking tclsh

if test x"${ac_cv_c_tclconfig}" = x ; then

if test x"$cross_compiling" = xno; then

for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`

if test -f "$i/tclConfig.sh" ; then

ac_cv_c_tclconfig="$i"

break

done

# then check for a private Tcl installation

if test x"${ac_cv_c_tclconfig}" = x ; then

for i in \

../tcl \

`ls -dr ../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \

`ls -dr ../tcl[[8-9]].[[0-9]] 2>/dev/null` \

`ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \

../../tcl \

`ls -dr ../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \

`ls -dr ../../tcl[[8-9]].[[0-9]] 2>/dev/null` \

`ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \

../../../tcl \

`ls -dr ../../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \

`ls -dr ../../../tcl[[8-9]].[[0-9]] 2>/dev/null` \

`ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null`

if test -f "$i/unix/tclConfig.sh" ; then

ac_cv_c_tclconfig=`(cd $i/unix; pwd)`

break

done

# check in a few common install locations

if test x"${ac_cv_c_tclconfig}" = x ; then

for i in \

`ls -d ${libdir} 2>/dev/null` \

`ls -d /usr/local/lib 2>/dev/null` \

`ls -d /usr/contrib/lib 2>/dev/null` \

`ls -d /usr/lib 2>/dev/null`

if test -f "$i/tclConfig.sh" ; then

ac_cv_c_tclconfig=`(cd $i; pwd)`

break

done

# check in a few other private locations

if test x"${ac_cv_c_tclconfig}" = x ; then

for i in \

${srcdir}/../tcl \

`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \

`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]] 2>/dev/null` \

`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null`

if test -f "$i/unix/tclConfig.sh" ; then

ac_cv_c_tclconfig=`(cd $i/unix; pwd)`

break

done

])

if test x"${ac_cv_c_tclconfig}" = x ; then

use_tcl=no

AC_MSG_WARN(Can't find Tcl configuration definitions)

AC_MSG_WARN(*** Without Tcl the regression tests cannot be executed ***)

AC_MSG_WARN(*** Consider using --with-tcl=... to define location of Tcl ***)

else

TCL_BIN_DIR=${ac_cv_c_tclconfig}

AC_MSG_RESULT(found $TCL_BIN_DIR/tclConfig.sh)

AC_MSG_CHECKING([for existence of $TCL_BIN_DIR/tclConfig.sh])

if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then

AC_MSG_RESULT([loading])

. $TCL_BIN_DIR/tclConfig.sh

else

AC_MSG_RESULT([file not found])

# If the TCL_BIN_DIR is the build directory (not the install directory),

# then set the common variable name to the value of the build variables.

# For example, the variable TCL_LIB_SPEC will be set to the value

# of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC

# instead of TCL_BUILD_LIB_SPEC since it will work with both an

# installed and uninstalled version of Tcl.

if test -f $TCL_BIN_DIR/Makefile ; then

TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}

TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}

TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}

# eval is required to do the TCL_DBGX substitution

eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""

eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""

eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""

eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""

eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""

eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""

AC_SUBST(TCL_VERSION)

AC_SUBST(TCL_BIN_DIR)

AC_SUBST(TCL_SRC_DIR)

AC_SUBST(TCL_INCLUDE_SPEC)

AC_SUBST(TCL_LIB_FILE)

AC_SUBST(TCL_LIB_FLAG)

AC_SUBST(TCL_LIB_SPEC)

AC_SUBST(TCL_STUB_LIB_FILE)

AC_SUBST(TCL_STUB_LIB_FLAG)

AC_SUBST(TCL_STUB_LIB_SPEC)

AC_SUBST(TCL_SHLIB_SUFFIX)

if test "${use_tcl}" = "no" ; then

HAVE_TCL=""

else

HAVE_TCL=1

AC_SUBST(HAVE_TCL)

##########

# Figure out what C libraries are required to compile programs

# that use "readline()" library.

TARGET_READLINE_LIBS=""

TARGET_READLINE_INC=""

TARGET_HAVE_READLINE=0

AC_ARG_ENABLE([readline],

[AC_HELP_STRING([--disable-readline],[disable readline support [default=detect]])],

[with_readline=$enableval],

[with_readline=auto])

if test x"$with_readline" != xno; then

found="yes"

AC_ARG_WITH([readline-lib],

[AC_HELP_STRING([--with-readline-lib],[specify readline library])],

[with_readline_lib=$withval],

[with_readline_lib="auto"])

if test "x$with_readline_lib" = xauto; then

save_LIBS="$LIBS"

LIBS=""

AC_SEARCH_LIBS(tgetent, [readline ncurses curses termcap], [term_LIBS="$LIBS"], [term_LIBS=""])

AC_CHECK_LIB([readline], [readline], [TARGET_READLINE_LIBS="-lreadline"], [found="no"])

TARGET_READLINE_LIBS="$TARGET_READLINE_LIBS $term_LIBS"

LIBS="$save_LIBS"

else

TARGET_READLINE_LIBS="$with_readline_lib"

AC_ARG_WITH([readline-inc],

[AC_HELP_STRING([--with-readline-inc],[specify readline include paths])],

[with_readline_inc=$withval],

[with_readline_inc="auto"])

if test "x$with_readline_inc" = xauto; then

AC_CHECK_HEADER(readline.h, [found="yes"], [

found="no"

if test "$cross_compiling" != yes; then

for dir in /usr /usr/local /usr/local/readline /usr/contrib /mingw; do

for subdir in include include/readline; do

AC_CHECK_FILE($dir/$subdir/readline.h, found=yes)

if test "$found" = "yes"; then

TARGET_READLINE_INC="-I$dir/$subdir"

break

done

test "$found" = "yes" && break

done

])

else

TARGET_READLINE_INC="$with_readline_inc"

if test x"$found" = xno; then

TARGET_READLINE_LIBS=""

TARGET_READLINE_INC=""

TARGET_HAVE_READLINE=0

else

TARGET_HAVE_READLINE=1

AC_SUBST(TARGET_READLINE_LIBS)

AC_SUBST(TARGET_READLINE_INC)

AC_SUBST(TARGET_HAVE_READLINE)

##########

# Figure out what C libraries are required to compile programs

# that use "fdatasync()" function.

AC_SEARCH_LIBS(fdatasync, [rt])

#########

# check for debug enabled

AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],[enable debugging & verbose explain]),

[use_debug=$enableval],[use_debug=no])

if test "${use_debug}" = "yes" ; then

TARGET_DEBUG="-DSQLITE_DEBUG=1"

else

TARGET_DEBUG="-DNDEBUG"

AC_SUBST(TARGET_DEBUG)

#########

# See whether we should use the amalgamation to build

AC_ARG_ENABLE(amalgamation, AC_HELP_STRING([--disable-amalgamation],

[Disable the amalgamation and instead build all files separately]),

[use_amalgamation=$enableval],[use_amalgamation=yes])

if test "${use_amalgamation}" != "yes" ; then

USE_AMALGAMATION=0

AC_SUBST(USE_AMALGAMATION)

#########

# See whether we should allow loadable extensions

AC_ARG_ENABLE(load-extension, AC_HELP_STRING([--disable-load-extension],

[Disable loading of external extensions]),

[use_loadextension=$enableval],[use_loadextension=yes])

if test "${use_loadextension}" = "yes" ; then

OPT_FEATURE_FLAGS=""

AC_SEARCH_LIBS(dlopen, dl)

else

OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"

#########

# attempt to duplicate any OMITS and ENABLES into the $(OPT_FEATURE_FLAGS) parameter

for option in $CFLAGS $CPPFLAGS

case $option in

-DSQLITE_OMIT*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;

-DSQLITE_ENABLE*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;

esac

done

AC_SUBST(OPT_FEATURE_FLAGS)

# attempt to remove any OMITS and ENABLES from the $(CFLAGS) parameter

ac_temp_CFLAGS=""

for option in $CFLAGS

case $option in

-DSQLITE_OMIT*) ;;

-DSQLITE_ENABLE*) ;;

*) ac_temp_CFLAGS="$ac_temp_CFLAGS $option";;

esac

done

CFLAGS=$ac_temp_CFLAGS

# attempt to remove any OMITS and ENABLES from the $(CPPFLAGS) parameter

ac_temp_CPPFLAGS=""

for option in $CPPFLAGS

case $option in

-DSQLITE_OMIT*) ;;

-DSQLITE_ENABLE*) ;;

*) ac_temp_CPPFLAGS="$ac_temp_CPPFLAGS $option";;

esac

done

CPPFLAGS=$ac_temp_CPPFLAGS

# attempt to remove any OMITS and ENABLES from the $(BUILD_CFLAGS) parameter

ac_temp_BUILD_CFLAGS=""

for option in $BUILD_CFLAGS

case $option in

-DSQLITE_OMIT*) ;;

-DSQLITE_ENABLE*) ;;

*) ac_temp_BUILD_CFLAGS="$ac_temp_BUILD_CFLAGS $option";;

esac

done

BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS

#########

# See whether we should use GCOV

AC_ARG_ENABLE(gcov, AC_HELP_STRING([--enable-gcov],

[Enable coverage testing using gcov]),

[use_gcov=$enableval],[use_gcov=no])

if test "${use_gcov}" = "yes" ; then

USE_GCOV=1

else

USE_GCOV=0

AC_SUBST(USE_GCOV)

#########

# Output the config header

AC_CONFIG_HEADERS(config.h)

#########

# Generate the output files.

AC_SUBST(BUILD_CFLAGS)

AC_OUTPUT([

Makefile

sqlcipher.pc

])

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