highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2026-01-18 22:35:39 +01:00
Code Issues Packages Projects Releases Wiki Activity

build: Use fPIC rather than fPIE for qt objects.

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

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)