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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Use autoconf to detect presence of gmtime_r() and localtime_r() (CVS 4846)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 9894d2ce418180b874406a7407e019dc872f289a
User & Date: mlcreech 2008-03-09 01:38:09
Context
2008-03-09
02:00
Change <sqlite3.h> to "sqlite3.h" in #includes (CVS 4847) check-in: 98e55fa4 user: mlcreech tags: trunk
01:38
Use autoconf to detect presence of gmtime_r() and localtime_r() (CVS 4846) check-in: 9894d2ce user: mlcreech tags: trunk
01:14
Replace SQLITE_EXTERN with SQLITE_API in exported variables when generating the amalgamation. Should fix #2982 (CVS 4845) check-in: f134c282 user: mlcreech tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to configure.

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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu



# The following RCS revision string applies to configure.in
# $Revision: 1.50 $

#########
# Programs needed
#
# Check whether --enable-shared was given.
if test "${enable_shared+set}" = set; then
  enableval=$enable_shared; p=${PACKAGE-default}
................................................................................
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

fi

done








































































































#########
# Set up an appropriate program prefix
#
if test "$program_prefix" = "NONE"; then
  program_prefix=""
fi
................................................................................
if test "${use_loadextension}" = "yes" ; then
  LOADEXTENSION_FLAGS=""
else
  LOADEXTENSION_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi


#########
# Figure out whether or not we have a "usleep()" function.
#
{ echo "$as_me:$LINENO: checking for usleep" >&5
echo $ECHO_N "checking for usleep... $ECHO_C" >&6; }
if test "${ac_cv_func_usleep+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
/* Define usleep to an innocuous variant, in case <limits.h> declares usleep.
   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
#define usleep innocuous_usleep

/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char usleep (); below.
    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
    <limits.h> exists even on freestanding compilers.  */

#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif

#undef usleep

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char usleep ();
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined __stub_usleep || defined __stub___usleep
choke me
#endif

int
main ()
{
return usleep ();
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_link") 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_func_usleep=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_func_usleep=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
fi
{ echo "$as_me:$LINENO: result: $ac_cv_func_usleep" >&5
echo "${ECHO_T}$ac_cv_func_usleep" >&6; }
if test $ac_cv_func_usleep = yes; then
  CFLAGS="$CFLAGS -DHAVE_USLEEP=1"
fi


#--------------------------------------------------------------------
# Redefine fdatasync as fsync on systems that lack fdatasync
#--------------------------------------------------------------------

{ echo "$as_me:$LINENO: checking for fdatasync" >&5
echo $ECHO_N "checking for fdatasync... $ECHO_C" >&6; }
if test "${ac_cv_func_fdatasync+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
/* Define fdatasync to an innocuous variant, in case <limits.h> declares fdatasync.
   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
#define fdatasync innocuous_fdatasync

/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char fdatasync (); below.
    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
    <limits.h> exists even on freestanding compilers.  */

#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif

#undef fdatasync

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char fdatasync ();
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined __stub_fdatasync || defined __stub___fdatasync
choke me
#endif

int
main ()
{
return fdatasync ();
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_link") 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  ac_cv_func_fdatasync=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	ac_cv_func_fdatasync=no
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
fi
{ echo "$as_me:$LINENO: result: $ac_cv_func_fdatasync" >&5
echo "${ECHO_T}$ac_cv_func_fdatasync" >&6; }
if test $ac_cv_func_fdatasync = yes; then
  CFLAGS="$CFLAGS -DHAVE_FDATASYNC=1"
fi


#########
# Output the config header
ac_config_headers="$ac_config_headers src/config.h"


#########







|







 







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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu



# The following RCS revision string applies to configure.in
# $Revision: 1.51 $

#########
# Programs needed
#
# Check whether --enable-shared was given.
if test "${enable_shared+set}" = set; then
  enableval=$enable_shared; p=${PACKAGE-default}
................................................................................
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF

fi

done


#########
# Figure out whether or not we have these functions
#




for ac_func in usleep fdatasync localtime_r gmtime_r
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_func" >&5
echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
#define $ac_func innocuous_$ac_func

/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func (); below.
    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
    <limits.h> exists even on freestanding compilers.  */

#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif

#undef $ac_func

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char $ac_func ();
/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined __stub_$ac_func || defined __stub___$ac_func
choke me
#endif

int
main ()
{
return $ac_func ();
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
  *) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
  (eval "$ac_link") 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } && {
	 test -z "$ac_c_werror_flag" ||
	 test ! -s conftest.err
       } && test -s conftest$ac_exeext &&
       $as_test_x conftest$ac_exeext; then
  eval "$as_ac_var=yes"
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

	eval "$as_ac_var=no"
fi

rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
      conftest$ac_exeext conftest.$ac_ext
fi
ac_res=`eval echo '${'$as_ac_var'}'`
	       { echo "$as_me:$LINENO: result: $ac_res" >&5
echo "${ECHO_T}$ac_res" >&6; }
if test `eval echo '${'$as_ac_var'}'` = yes; then
  cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done



#########
# Set up an appropriate program prefix
#
if test "$program_prefix" = "NONE"; then
  program_prefix=""
fi
................................................................................
if test "${use_loadextension}" = "yes" ; then
  LOADEXTENSION_FLAGS=""
else
  LOADEXTENSION_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi





















































































































































































#########
# Output the config header
ac_config_headers="$ac_config_headers src/config.h"


#########

Changes to configure.ac.

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# the corresponding code.
#
AC_INIT(sqlite, m4_esyscmd([cat VERSION | tr -d '\n']))

dnl Put the RCS revision string after AC_INIT so that it will also
dnl show in in configure.
# The following RCS revision string applies to configure.in
# $Revision: 1.36 $

#########
# Programs needed
#
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_AWK
................................................................................
#########
# 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)







#########
# Set up an appropriate program prefix
#
if test "$program_prefix" = "NONE"; then
  program_prefix=""
fi
................................................................................
if test "${use_loadextension}" = "yes" ; then
  LOADEXTENSION_FLAGS=""
else
  LOADEXTENSION_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi
AC_SUBST(LOADEXTENSION_FLAGS)

#########
# Figure out whether or not we have a "usleep()" function.
#
AC_CHECK_FUNC(usleep, [CFLAGS="$CFLAGS -DHAVE_USLEEP=1"])

#--------------------------------------------------------------------
# Redefine fdatasync as fsync on systems that lack fdatasync
#--------------------------------------------------------------------

AC_CHECK_FUNC(fdatasync, [CFLAGS="$CFLAGS -DHAVE_FDATASYNC=1"])

#########
# Output the config header
AC_CONFIG_HEADERS(src/config.h)

#########
# Generate the output files.
#
AC_SUBST(BUILD_CFLAGS)
AC_OUTPUT([
Makefile
sqlite3.pc
])







|







 







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# the corresponding code.
#
AC_INIT(sqlite, m4_esyscmd([cat VERSION | tr -d '\n']))

dnl Put the RCS revision string after AC_INIT so that it will also
dnl show in in configure.
# The following RCS revision string applies to configure.in
# $Revision: 1.37 $

#########
# Programs needed
#
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_AWK
................................................................................
#########
# 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])

#########
# Figure out whether or not we have these functions
#
AC_CHECK_FUNCS([usleep fdatasync localtime_r gmtime_r])


#########
# Set up an appropriate program prefix
#
if test "$program_prefix" = "NONE"; then
  program_prefix=""
fi
................................................................................
if test "${use_loadextension}" = "yes" ; then
  LOADEXTENSION_FLAGS=""
else
  LOADEXTENSION_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi
AC_SUBST(LOADEXTENSION_FLAGS)












#########
# Output the config header
AC_CONFIG_HEADERS(src/config.h)

#########
# Generate the output files.
#
AC_SUBST(BUILD_CFLAGS)
AC_OUTPUT([
Makefile
sqlite3.pc
])

Changes to src/config.h.in.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Configuration header template to be filled in by 'configure' script
**
** @(#) $Id: config.h.in,v 1.2 2008/03/06 16:28:58 mlcreech Exp $
*/
#ifndef _CONFIG_H_
#define _CONFIG_H_






/* Define as 1 if you have the int8_t type */
#undef HAVE_INT8_T

/* Define as 1 if you have the int16_t type */
#undef HAVE_INT16_T

/* Define as 1 if you have the int32_t type */
................................................................................

/* Define as 1 if you have the uint64_t type */
#undef HAVE_UINT64_T

/* Define as 1 if you have the uintptr_t type */
#undef HAVE_UINTPTR_T






/* Define as 1 if you have the sys/types.h header */
#undef HAVE_SYS_TYPES_H

/* Define as 1 if you have the stdlib.h header */
#undef HAVE_STDLIB_H

/* Define as 1 if you have the stdint.h header */
#undef HAVE_STDINT_H

/* Define as 1 if you have the inttypes.h header */
#undef HAVE_INTTYPES_H




















#endif







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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Configuration header template to be filled in by 'configure' script
**
** @(#) $Id: config.h.in,v 1.3 2008/03/09 01:38:10 mlcreech Exp $
*/
#ifndef _CONFIG_H_
#define _CONFIG_H_


/*****************************
** Data types
*****************************/

/* Define as 1 if you have the int8_t type */
#undef HAVE_INT8_T

/* Define as 1 if you have the int16_t type */
#undef HAVE_INT16_T

/* Define as 1 if you have the int32_t type */
................................................................................

/* Define as 1 if you have the uint64_t type */
#undef HAVE_UINT64_T

/* Define as 1 if you have the uintptr_t type */
#undef HAVE_UINTPTR_T


/*****************************
** Header Files
*****************************/

/* Define as 1 if you have the sys/types.h header */
#undef HAVE_SYS_TYPES_H

/* Define as 1 if you have the stdlib.h header */
#undef HAVE_STDLIB_H

/* Define as 1 if you have the stdint.h header */
#undef HAVE_STDINT_H

/* Define as 1 if you have the inttypes.h header */
#undef HAVE_INTTYPES_H


/*****************************
** Functions
*****************************/

/* Define as 1 if you have the usleep() function */
#undef HAVE_USLEEP

/* Define as 1 if you have the fdatasync() function */
#undef HAVE_FDATASYNC

/* Define as 1 if you have the gmtime_r() function */
#undef HAVE_GMTIME_R

/* Define as 1 if you have the localtime_r() function */
#undef HAVE_LOCALTIME_R


/* End of header */
#endif