blob: bf1131d8c7fb69f7e2aa05f138a4840b3187309b [file] [log] [blame]
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.68)
AC_INIT([libplist], [m4_esyscmd(./git-version-gen $RELEASE_VERSION)], [https://github.com/libimobiledevice/libplist/issues], [], [https://libimobiledevice.org])
AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip check-news])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
AC_CONFIG_SRCDIR([src/])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
dnl libtool versioning
# +1 : 0 : +1 == adds new functions to the interface
# +1 : 0 : 0 == changes or removes functions (changes include both
# changes to the signature and the semantic)
# ? :+1 : ? == just internal changes
# CURRENT : REVISION : AGE
LIBPLIST_SO_VERSION=7:0:3
AC_SUBST(LIBPLIST_SO_VERSION)
# Check if we have a version defined
if test -z $PACKAGE_VERSION; then
AC_MSG_ERROR([PACKAGE_VERSION is not defined. Make sure to configure a source tree checked out from git or that .tarball-version is present.])
fi
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
# AC_PROG_CXX will return "g++" even if no c++ compiler is installed
AC_LANG_PUSH([C++])
AC_MSG_CHECKING([whether $CXX is available and compiles a program])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([C++ compiler not available or unable to compile])])
AC_LANG_POP
AM_PROG_CC_C_O
LT_INIT
# Checks for header files.
AC_CHECK_HEADERS([stdint.h stdlib.h string.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_CHECK_FUNCS([strdup strndup strerror gmtime_r localtime_r timegm strptime memmem])
# Checking endianness
AC_C_BIGENDIAN([AC_DEFINE([__BIG_ENDIAN__], [1], [big endian])],
[AC_DEFINE([__LITTLE_ENDIAN__], [1], [little endian])])
# Check for operating system
AC_MSG_CHECKING([for platform-specific build settings])
case ${host_os} in
*mingw32*|*cygwin*)
AC_MSG_RESULT([${host_os}])
win32=true
;;
darwin*|*android*)
AC_MSG_RESULT([${host_os}])
;;
*)
AC_MSG_RESULT([${host_os}])
AX_PTHREAD([], [AC_MSG_ERROR([pthread is required to build libplist])])
AC_CHECK_LIB(pthread, [pthread_once], [], [AC_MSG_ERROR([pthread with pthread_once required to build libplist])])
;;
esac
AM_CONDITIONAL(WIN32, test x$win32 = xtrue)
AC_SEARCH_LIBS([fmin],[m])
# Check if the C compiler supports __attribute__((constructor))
AC_CACHE_CHECK([wether the C compiler supports constructor/destructor attributes],
ac_cv_attribute_constructor, [
ac_cv_attribute_constructor=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if !__has_attribute(constructor)
#error No constructor attribute
#endif
#if !__has_attribute(destructor)
#error No destructor attribute
#endif
static void __attribute__((constructor)) test_constructor(void) {
}
static void __attribute__((destructor)) test_destructor(void) {
}
]], [])],
[ac_cv_attribute_constructor=yes]
)]
)
if test "$ac_cv_attribute_constructor" = "yes"; then
AC_DEFINE(HAVE_ATTRIBUTE_CONSTRUCTOR, 1, [Define if the C compiler supports constructor/destructor attributes])
fi
# Check if struct tm has a tm_gmtoff member
AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <time.h>
], [
struct tm tm;
tm.tm_gmtoff = 1;
])],
[ac_cv_struct_tm_gmtoff=yes],
[ac_cv_struct_tm_gmtoff=no]
)
)
if (test "$ac_cv_struct_tm_gmtoff" = "yes"); then
AC_DEFINE(HAVE_TM_TM_GMTOFF, 1, [Define if struct tm has a tm_gmtoff member])
fi
# Check if struct tm has a tm_zone member
AC_CACHE_CHECK(for tm_zone in struct tm, ac_cv_struct_tm_zone,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <time.h>
], [
struct tm tm;
tm.tm_zone = (char*)"UTC";
])],
[ac_cv_struct_tm_zone=yes],
[ac_cv_struct_tm_zone=no]
)
)
if (test "$ac_cv_struct_tm_zone" = "yes"); then
AC_DEFINE(HAVE_TM_TM_ZONE, 1, [Define if struct tm has a tm_zone member])
fi
# Cython Python Bindings
AC_ARG_WITH([cython],
[AS_HELP_STRING([--without-cython],
[build Python bindings using Cython (default is yes)])],
[build_cython=false],
[build_cython=true])
if test "$build_cython" = "true"; then
AC_PROG_CYTHON([0.17.0])
if [test "x$CYTHON" != "xfalse"]; then
AM_PATH_PYTHON([2.3], [CYTHON_PYTHON])
fi
else
CYTHON=false
fi
if [test "x$CYTHON" != "xfalse"]; then
PKG_PROG_PKG_CONFIG
AC_MSG_CHECKING([for libplist Cython bindings])
if test -x "$PKG_CONFIG"; then
CYTHON_PLIST_INCLUDE_DIR=$($PKG_CONFIG --variable=includedir libplist-2.0)/plist/cython
fi
if [test ! -d "$CYTHON_PLIST_INCLUDE_DIR"]; then
CYTHON_PLIST_INCLUDE_DIR=.
cython_python_bindings=yes
AC_MSG_RESULT([Using built-in libplist Cython bindings (assuming this is a first build)])
else
AC_SUBST([CYTHON_PLIST_INCLUDE_DIR])
AC_MSG_RESULT([$CYTHON_PLIST_INCLUDE_DIR])
cython_python_bindings=yes
fi
else
cython_python_bindings=no
fi
AM_CONDITIONAL([HAVE_CYTHON],[test "x$cython_python_bindings" = "xyes"])
AS_COMPILER_FLAGS(GLOBAL_CFLAGS, "-Wall -Wextra -Wredundant-decls -Wshadow -Wpointer-arith -Wwrite-strings -Wswitch-default -Wno-unused-parameter -Wno-strict-aliasing $PTHREAD_CFLAGS")
GLOBAL_LDFLAGS="$PTHREAD_LIBS"
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],
[build debug message output code (default is no)]),
[case "${enableval}" in
yes) debug=yes ;;
no) debug=no ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
esac],
[debug=no])
if (test "x$debug" = "xyes"); then
AC_DEFINE(DEBUG, 1, [Define if debug message output code should be built.])
GLOBAL_CFLAGS+=" -g"
fi
if test "x$enable_static" = "xyes" -a "x$enable_shared" = "xno"; then
GLOBAL_CFLAGS+=" -DLIBPLIST_STATIC"
fi
GLOBAL_CXXFLAGS=$GLOBAL_CFLAGS
AS_COMPILER_FLAG([-fvisibility=hidden], [
GLOBAL_CFLAGS+=" -fvisibility=hidden"
], [])
AC_SUBST(GLOBAL_CFLAGS)
AC_SUBST(GLOBAL_CXXFLAGS)
AC_SUBST(GLOBAL_LDFLAGS)
case "$GLOBAL_CFLAGS" in
*-fvisibility=hidden*)
AC_DEFINE([HAVE_FVISIBILITY], [1], [Define if compiled with -fvisibility=hidden])
esac
AC_ARG_WITH([sanitizers],
[AS_HELP_STRING([--with-sanitizers],
[build libplist with sanitizers (default is no)])],
[build_sanitizers=${withval}],
[])
AC_ARG_WITH([fuzzers],
[AS_HELP_STRING([--with-fuzzers],
[build fuzzers (implies --with-sanitizers, default is no)])],
[build_fuzzers=${withval}],
[build_fuzzers=no])
AC_ARG_WITH([tests],
[AS_HELP_STRING([--without-tests],
[Do not build libplist test suite (default is yes)])],
[build_tests=${withval}],
[build_tests=yes])
if test "x$build_fuzzers" = "xyes"; then
if test "x$build_sanitizers" = "xno"; then
AC_MSG_ERROR([--with-fuzzers implies --with-sanitizers, but --without-sanitizers was given. This does not work.])
fi
build_sanitizers=yes
fi
if test "x$build_sanitizers" = "xyes"; then
AS_COMPILER_FLAG([-fsanitize=address], [
SANITIZER_FLAGS+=" -fsanitize=address"
ASAN_AVAILABLE=yes
], [])
if test "$ASAN_AVAILABLE" = "yes"; then
AS_COMPILER_FLAG([-fsanitize=address -fsanitize-address-use-after-scope], [
SANITIZER_FLAGS+=" -fsanitize-address-use-after-scope"
], [])
SANITIZERS+="ASAN "
fi
AS_COMPILER_FLAG([-fsanitize=undefined], [
SANITIZER_FLAGS+=" -fsanitize=undefined"
UBSAN_AVAILABLE=yes
], [])
if test "$UBSAN_AVAILABLE" = "yes"; then
SANITIZERS+="UBSAN "
fi
if test -z "$SANITIZER_FLAGS"; then
AC_MSG_ERROR([compiler doesn't support -fsanitize=address nor -fsanitize=undefined])
fi
COVERAGE_CHECKS="trace-pc-guard trace-cmp edge"
for COV_CHECK in $COVERAGE_CHECKS; do
AS_COMPILER_FLAG([-fsanitize-coverage=$COV_CHECK], [
if test -z "$SAN_COV_FLAGS"; then
SAN_COV_FLAGS="$COV_CHECK"
else
SAN_COV_FLAGS+=",$COV_CHECK"
fi
], [])
done
if test -n "$SAN_COV_FLAGS"; then
SANITIZER_FLAGS+=" -fsanitize-coverage=$SAN_COV_FLAGS"
SANITIZERS+="+coverage "
else
AC_MSG_WARN([No sanitizer coverage supported by compiler])
fi
CFLAGS="-O1"
AS_COMPILER_FLAG([-fno-omit-frame-pointer], [
CFLAGS+=" -fno-omit-frame-pointer"
], [])
AS_COMPILER_FLAG([-gline-tables-only], [
CFLAGS+=" -gline-tables-only"
],
[
CFLAGS+=" -g"
])
EXTRA_CONF+=" Enabled sanitizers ......: $SANITIZERS
"
CFLAGS+=" $SANITIZER_FLAGS"
CXXFLAGS="$CFLAGS -std=c++11"
fi
if test "x$build_fuzzers" = "xyes"; then
IS_CLANG=`$CXX --version 2>/dev/null |grep clang`
case "$IS_CLANG" in
*clang*)
;;
*)
AC_MSG_WARN([building fuzzers requires clang/clang++ (continuing anyway)])
;;
esac
CFLAGS+=" -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"
EXTRA_CONF+=" Build fuzzers ...........: yes
"
fi
AM_CONDITIONAL([BUILD_FUZZERS],[test "x$build_fuzzers" = "xyes"])
AM_CONDITIONAL([BUILD_TESTS],[test "x$build_tests" != "xno"])
if test "x$build_fuzzers" = "xyes" || test "x$build_sanitizers" = "xyes"; then
AS_COMPILER_FLAGS(TEST_CFLAGS, [$CFLAGS])
fi
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
AC_CONFIG_FILES([
Makefile
libcnary/Makefile
src/Makefile
src/libplist-2.0.pc
src/libplist++-2.0.pc
include/Makefile
tools/Makefile
docs/Makefile
cython/Makefile
test/Makefile
fuzz/Makefile
doxygen.cfg
])
AC_OUTPUT
echo "
Configuration for $PACKAGE $VERSION:
-------------------------------------------
Install prefix ..........: $prefix
Debug code ..............: $debug
Python bindings .........: $cython_python_bindings
$EXTRA_CONF
Now type 'make' to build $PACKAGE $VERSION,
and then 'make install' for installation.
"