Fully end to end encrypted anonymous chat program. Server only stores public key lookup for users and the encrypted messages. No credentials are transfered to the server, but kept in local browser storage. This allows 100% safe chatting. https://safechat.ch
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# SYNOPSIS
#
# Check if a module exists:
# AX_CXX_CHECK_QT([qt_prefix], [list-of-qt-modules], [optional-modules])
#
# Abort if a module does not exist:
# AX_CXX_REQUIRE_QT([qt_prefix], [list-of-qt-modules], [optional-modules])
#
# DESCRIPTIONS
#
# qt_prefix
#
# Each call to AX_CXX_CHECK_QT should have a different prefix
# value (with a few exceptions discussed later on). This value,
# usually provided in uppercase, is used as prefix to the
# variables holding the compiler flags and libraries reported by
# pkg-config.
#
# For instance, if your prefix was to be FOO you'll be provided
# two variables FOO_CFLAGS and FOO_LIBS.
#
# This will also be used as message during the configure checks:
# checking for FOO....
#
# list-of-modules
#
# A single call to the macro can check for the presence of one or
# more qt modules; you'll see later how to make good use of this
# feature. Each entry in the list can have a version comparison
# specifier, with the same syntax as the Requires keyword in the
# data files themselves.
#
# optional-modules
#
# Optional list of more, optional modules, e.g. modules that
# exist only in Qt5, but not in Qt4, such as QtWidgets or
# QtWebKitWidgets
AC_DEFUN([AX_CXX_QT_TOOL], [
if test -z "$HAVE_$1"; then
HAVE_$1=1
AC_MSG_CHECKING([for $2])
AC_ARG_VAR([$1], [path to Qt tool $2])
$1=${$1:-$(pkg-config --variable=$2_location Qt5Core)}
$1=${$1:-$(pkg-config --variable=host_bins Qt5Core)/$2}
$1=${$1:-$(pkg-config --variable=$2_location QtCore)}
$1=${$1:-$(pkg-config --variable=host_bins QtCore)/$2}
if ! which "${$1%% *}" > /dev/null; then
if which "$2" > /dev/null; then
$1=$2
else
HAVE_$1=0
$1=""
fi
fi
AC_SUBST($1)
AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
if test $HAVE_$1 -eq 1; then
AC_MSG_RESULT([$$1])
else
AC_MSG_RESULT([not found])
fi
fi
])
AC_DEFUN([AX_CXX_QT_TOOLS], [
AX_CXX_QT_TOOL(QMAKE, qmake)
AX_CXX_QT_TOOL(MOC, moc)
AX_CXX_QT_TOOL(UIC, uic)
AX_CXX_QT_TOOL(RCC, rcc)
AX_CXX_QT_TOOL(LUPDATE, lupdate)
AX_CXX_QT_TOOL(LRELEASE, lrelease)
])
AC_DEFUN([AX_CHECK_VALID_FLAG], [
AC_MSG_CHECKING([m4_default([$2], [for valid flag in "$1"])])
save_cppflags="$CPPFLAGS"
newflag="no"
for test_flag in $1; do
CPPFLAGS+=" ${test_flag}"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
newflag="$test_flag"
CPPFLAGS="$save_cppflags"
CPPFLAGS+=" ${test_flag}"
break;
])
CPPFLAGS="$save_cppflags"
done
AC_SUBST(CPPFLAGS)
AC_MSG_RESULT([$newflag])
])
AC_DEFUN([AX_CHECK_QT], [
qt_modules="$2"
qt_modules_optional="$3"
AX_CXX_QT_TOOLS
HAVE_$1=0
PKG_PROG_PKG_CONFIG
PKG_CHECK_MODULES([$1]5, [${qt_modules//Qt/Qt5}], [
HAVE_$1=1
AC_DEFINE([HAVE_$1])
QTDIR=$(pkg-config --variable=prefix Qt5Core)
QT_PLUGIN_PATH=${QTDIR}/share/qt5/plugins
CPPFLAGS+=" ${[$1]5_CFLAGS}"
MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
CXXFLAGS+=" ${[$1]5_CFLAGS}"
LIBS+=" ${[$1]5_LIBS}"
PKG_REQUIREMENTS+=" ${qt_modules//Qt/Qt5}"
if test -n "${qt_modules_optional}"; then
PKG_CHECK_MODULES([$1]5_OPTIONAL, [${qt_modules_optional//Qt/Qt5}], [
CPPFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
MOC_FLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
CXXFLAGS+=" ${[$1]5_OPTIONAL_CFLAGS}"
LIBS+=" ${[$1]5_OPTIONAL_LIBS}"
PKG_REQUIREMENTS+=" ${qt_modules_optional//Qt/Qt5}"
], [
AC_MSG_NOTICE([Not found: ${qt_modules_optional//Qt/Qt5}])
])
fi
], [
PKG_CHECK_MODULES([$1], [${qt_modules}], [
HAVE_$1=1
AC_DEFINE([HAVE_$1])
QTDIR=$(pkg-config --variable=prefix QtCore)
QT_PLUGIN_PATH=${QTDIR}/share/qt/plugins
CPPFLAGS+=" ${$1_CFLAGS}"
MOC_FLAGS+=" -DHAVE_$1=1 ${$1_CFLAGS}"
CXXFLAGS+=" ${$1_CFLAGS}"
LIBS+=" ${$1_LIBS}"
PKG_REQUIREMENTS+=" ${qt_modules}"
if test -n "$3"; then
PKG_CHECK_MODULES($1_OPTIONAL, [${qt_modules_optional}], [
CPPFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
MOC_FLAGS+=" ${$1_OPTIONAL_CFLAGS}"
CXXFLAGS+=" ${$1_OPTIONAL_CFLAGS}"
LIBS+=" ${$1_OPTIONAL_LIBS}"
PKG_REQUIREMENTS+=" ${qt_modules_optional}"
], [
AC_MSG_NOTICE([Not found: ${qt_modules_optional}])
])
fi
], [HAVE_$1=0])
])
AM_CONDITIONAL(HAVE_$1, test $HAVE_$1 -eq 1)
AX_CHECK_VALID_FLAG([-fPIC -fPIE], [position independent code flag])
AC_SUBST(QTDIR)
AC_SUBST(QT_PLUGIN_PATH)
AC_SUBST(CPPFLAGS)
AC_SUBST(MOC_FLAGS)
AC_SUBST(CXXFLAGS)
AC_SUBST(PKG_REQUIREMENTS)
AX_ADDITIONAL_QT_RULES_HACK='
LANGUAGE_FILE_BASE ?= translations
ui_%.hxx: %.ui
$(UIC) -o [$][@] $<
moc_%.cxx: %.hxx
$(MOC) $(MOC_FLAGS) -o [$][@] $<
qrc_%.cxx: %.qrc
$(RCC) -o [$][@] -name ${<:%.qrc=%} $<
AC_SUBST(AX_ADDITIONAL_QT_RULES_HACK)
#%.qrc: %
# cwd=$$(pwd) && cd $< && $(RCC) -project -o $${cwd}/[$][@]
%.qm: %.ts
${LRELEASE} $< -qm [$][@]
#%.ts: ${LANGUAGE_FILES}
# ${LUPDATE} -no-obsolete \
# -target-language ${@:${LANGUAGE_FILE_BASE}_%.ts=%} \
# -ts [$][@] $<
'])
# SYNOPSIS
#
# AX_CXX_CHECK_QT([qt_prefix], [list-of-qt-modules], [optional-modules])
#
# DESCRIPTIONS
#
# qt_prefix
#
# Each call to AX_CXX_CHECK_QT should have a different prefix
# value (with a few exceptions discussed later on). This value,
# usually provided in uppercase, is used as prefix to the
# variables holding the compiler flags and libraries reported by
# pkg-config.
#
# For instance, if your prefix was to be FOO you'll be provided
# two variables FOO_CFLAGS and FOO_LIBS.
#
# This will also be used as message during the configure checks:
# checking for FOO....
#
# list-of-modules
#
# A single call to the macro can check for the presence of one or
# more qt modules; you'll see later how to make good use of this
# feature. Each entry in the list can have a version comparison
# specifier, with the same syntax as the Requires keyword in the
# data files themselves.
#
# optional-modules
#
# Optional list of more, optional modules, e.g. modules that
# exist only in Qt5, but not in Qt4, such as QtWidgets or
# QtWebKitWidgets
AC_DEFUN([AX_REQUIRE_QT], [
AX_CHECK_QT([$1], [$2], [$3])
if ! test "$HAVE_$1" -eq 1; then
AC_MSG_ERROR([Required Qt modules not found: $2])
fi
])
# Omit Qt Keywords
# AX_QT_NO_KEYWORDS
AC_DEFUN([AX_QT_NO_KEYWORDS], [
CPPFLAGS+=" -DQT_NO_KEYWORDS"
])