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build: add an option for enabling glibc back-compat

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Using "./configure --enable-glibc-back-compat" will attempt to be
compatible with a target running glibc abi 2.9 and libstdc++ abi 3.4.
This commit is contained in:
Cory Fields 2014-03-27 19:58:41 -04:00 committed by langerhans
parent 975cb511ee
commit 4952ef8bf1
2 changed files with 27 additions and 0 deletions
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22
configure.ac
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@ -108,6 +108,12 @@ AC_ARG_ENABLE([lcov],
[use_lcov=yes],
[use_lcov=no])
AC_ARG_ENABLE([glibc-back-compat],
[AS_HELP_STRING([--enable-glibc-back-compat],
[enable backwards compatibility with glibc and libstdc++])],
[use_glibc_compat=$enableval],
[use_glibc_compat=no])
AC_ARG_WITH([protoc-bindir],[AS_HELP_STRING([--with-protoc-bindir=BIN_DIR],[specify protoc bin path])], [protoc_bin_path=$withval], [])
@ -319,6 +325,21 @@ fi
AX_CHECK_LINK_FLAG([[-Wl,--large-address-aware]], [LDFLAGS="$LDFLAGS -Wl,--large-address-aware"])
if test x$use_glibc_compat != xno; then
#__fdelt_chk's params and return type have changed from long unsigned int to long int.
# See which one is present here.
AC_MSG_CHECKING(__fdelt_chk type)
AC_TRY_COMPILE([#define __USE_FORTIFY_LEVEL 2
#include <sys/select.h>
extern "C" long unsigned int __fdelt_warn(long unsigned int);],[],
[ fdelt_type="long unsigned int"],
[ fdelt_type="long int"])
AC_MSG_RESULT($fdelt_type)
AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk])
fi
if test x$use_hardening != xno; then
AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
@ -691,6 +712,7 @@ AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes])
AM_CONDITIONAL([USE_LCOV],[test x$use_lcov == xyes])
AM_CONDITIONAL([USE_COMPARISON_TOOL],[test x$use_comparison_tool != xno])
AM_CONDITIONAL([USE_COMPARISON_TOOL_REORG_TESTS],[test x$use_comparison_tool_reorg_test != xno])
AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes])
AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version])
AC_DEFINE(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR, [Minor version])

5
src/Makefile.am
View file

@ -142,6 +142,11 @@ libbitcoin_common_a_SOURCES = \
version.cpp \
$(BITCOIN_CORE_H)
if GLIBC_BACK_COMPAT
libbitcoin_common_a_SOURCES += compat/glibc_compat.cpp
libbitcoin_common_a_SOURCES += compat/glibcxx_compat.cpp
endif
libbitcoin_cli_a_SOURCES = \
rpcclient.cpp \
$(BITCOIN_CORE_H)