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build: Use fPIC rather than fPIE for qt objects.

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But only if qt was built with reduced relocations.
This commit is contained in:
Cory Fields 2015-11-09 20:52:37 -05:00
parent 17c4d9d164
commit 69d0513436
3 changed files with 41 additions and 3 deletions
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38
build-aux/m4/bitcoin_qt.m4
View file

@ -160,6 +160,43 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
fi
fi
if test x$use_hardening != xno; then
BITCOIN_QT_CHECK([
AC_MSG_CHECKING(whether -fPIE can be used with this Qt config)
TEMP_CPPFLAGS=$CPPFLAGS
TEMP_CXXFLAGS=$CXXFLAGS
CPPFLAGS="$QT_INCLUDES $CPPFLAGS"
CXXFLAGS="$PIE_FLAGS $CXXFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <QtCore/qconfig.h>]],
[[
#if defined(QT_REDUCE_RELOCATIONS)
choke;
#endif
]])],
[ AC_MSG_RESULT(yes); QT_PIE_FLAGS=$PIE_FLAGS ],
[ AC_MSG_RESULT(no); QT_PIE_FLAGS=$PIC_FLAGS]
)
CPPFLAGS=$TEMP_CPPFLAGS
CXXFLAGS=$TEMP_CXXFLAGS
])
else
BITCOIN_QT_CHECK([
AC_MSG_CHECKING(whether -fPIC is needed with this Qt config)
TEMP_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$QT_INCLUDES $CPPFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <QtCore/qconfig.h>]],
[[
#if defined(QT_REDUCE_RELOCATIONS)
choke;
#endif
]])],
[ AC_MSG_RESULT(no)],
[ AC_MSG_RESULT(yes); QT_PIE_FLAGS=$PIC_FLAGS]
)
CPPFLAGS=$TEMP_CPPFLAGS
])
fi
BITCOIN_QT_PATH_PROGS([MOC], [moc-qt${bitcoin_qt_got_major_vers} moc${bitcoin_qt_got_major_vers} moc], $qt_bin_path)
BITCOIN_QT_PATH_PROGS([UIC], [uic-qt${bitcoin_qt_got_major_vers} uic${bitcoin_qt_got_major_vers} uic], $qt_bin_path)
BITCOIN_QT_PATH_PROGS([RCC], [rcc-qt${bitcoin_qt_got_major_vers} rcc${bitcoin_qt_got_major_vers} rcc], $qt_bin_path)
@ -205,6 +242,7 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[
])
AC_MSG_RESULT([$bitcoin_enable_qt (Qt${bitcoin_qt_got_major_vers})])
AC_SUBST(QT_PIE_FLAGS)
AC_SUBST(QT_INCLUDES)
AC_SUBST(QT_LIBS)
AC_SUBST(QT_LDFLAGS)

4
src/Makefile.qt.include
View file

@ -329,7 +329,7 @@ BITCOIN_QT_INCLUDES = -I$(builddir)/qt -I$(srcdir)/qt -I$(srcdir)/qt/forms \
qt_libbitcoinqt_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
$(QT_INCLUDES) $(QT_DBUS_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
qt_libbitcoinqt_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
qt_libbitcoinqt_a_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
qt_libbitcoinqt_a_SOURCES = $(BITCOIN_QT_CPP) $(BITCOIN_QT_H) $(QT_FORMS_UI) \
$(QT_QRC) $(QT_QRC_LOCALE) $(QT_TS) $(PROTOBUF_PROTO) $(RES_ICONS) $(RES_IMAGES) $(RES_MOVIES)
@ -353,7 +353,7 @@ $(QT_MOC_CPP): $(PROTOBUF_H)
# bitcoin-qt binary #
qt_bitcoin_qt_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BITCOIN_QT_INCLUDES) \
$(QT_INCLUDES) $(PROTOBUF_CFLAGS) $(QR_CFLAGS)
qt_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
qt_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
qt_bitcoin_qt_SOURCES = qt/bitcoin.cpp
if TARGET_DARWIN

2
src/Makefile.qttest.include
View file

@ -38,7 +38,7 @@ qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBIT
$(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(LIBSECP256K1) \
$(EVENT_PTHREADS_LIBS) $(EVENT_LIBS)
qt_test_test_bitcoin_qt_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
qt_test_test_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
qt_test_test_bitcoin_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
CLEAN_BITCOIN_QT_TEST = $(TEST_QT_MOC_CPP) qt/test/*.gcda qt/test/*.gcno