Artifact fd3de38ea62c3d12f393ca427025a3e51ebb74a1b6c5851ad330c155038d9371:
- File
m4/buildsys.m4
— part of check-in
[ce59f77400]
at
2017-01-07 23:07:32
on branch trunk
— Always use -Wl,--export-all-symbols for libs
While this should be the default, it seems it's not the default when
using Clang. (user: js, size: 7888) [annotate] [blame] [check-ins using]
dnl dnl Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017 dnl Jonathan Schleifer <js@heap.zone> dnl dnl https://heap.zone/git/?p=buildsys.git dnl dnl Permission to use, copy, modify, and/or distribute this software for any dnl purpose with or without fee is hereby granted, provided that the above dnl copyright notice and this permission notice is present in all copies. dnl dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" dnl AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE dnl IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE dnl ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE dnl LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR dnl CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF dnl SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN dnl CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) dnl ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE dnl POSSIBILITY OF SUCH DAMAGE. dnl AC_DEFUN([BUILDSYS_INIT], [ AC_CONFIG_COMMANDS_PRE([ AC_SUBST(CC_DEPENDS, $GCC) AC_SUBST(CXX_DEPENDS, $GXX) AC_SUBST(OBJC_DEPENDS, $GOBJC) AC_SUBST(OBJCXX_DEPENDS, $GOBJCXX) AC_PATH_PROG(TPUT, tput) AS_IF([test x"$TPUT" != x""], [ if x=$($TPUT el 2>/dev/null); then AC_SUBST(TERM_EL, "$x") else AC_SUBST(TERM_EL, "$($TPUT ce 2>/dev/null)") fi if x=$($TPUT sgr0 2>/dev/null); then AC_SUBST(TERM_SGR0, "$x") else AC_SUBST(TERM_SGR0, "$($TPUT me 2>/dev/null)") fi if x=$($TPUT bold 2>/dev/null); then AC_SUBST(TERM_BOLD, "$x") else AC_SUBST(TERM_BOLD, "$($TPUT md 2>/dev/null)") fi if x=$($TPUT setaf 1 2>/dev/null); then AC_SUBST(TERM_SETAF1, "$x") AC_SUBST(TERM_SETAF2, "$($TPUT setaf 2 2>/dev/null)") AC_SUBST(TERM_SETAF3, "$($TPUT setaf 3 2>/dev/null)") AC_SUBST(TERM_SETAF4, "$($TPUT setaf 4 2>/dev/null)") AC_SUBST(TERM_SETAF6, "$($TPUT setaf 6 2>/dev/null)") else AC_SUBST(TERM_SETAF1, "$($TPUT AF 1 2>/dev/null)") AC_SUBST(TERM_SETAF2, "$($TPUT AF 2 2>/dev/null)") AC_SUBST(TERM_SETAF3, "$($TPUT AF 3 2>/dev/null)") AC_SUBST(TERM_SETAF4, "$($TPUT AF 4 2>/dev/null)") AC_SUBST(TERM_SETAF6, "$($TPUT AF 6 2>/dev/null)") fi ], [ AC_SUBST(TERM_EL, '\033\133K') AC_SUBST(TERM_SGR0, '\033\133m') AC_SUBST(TERM_BOLD, '\033\1331m') AC_SUBST(TERM_SETAF1, '\033\13331m') AC_SUBST(TERM_SETAF2, '\033\13332m') AC_SUBST(TERM_SETAF3, '\033\13333m') AC_SUBST(TERM_SETAF4, '\033\13334m') AC_SUBST(TERM_SETAF6, '\033\13336m') ]) ]) AC_CONFIG_COMMANDS_POST([ ${as_echo:="echo"} ${as_me:="configure"}": touching .deps files" for i in $(find . -name Makefile); do DEPSFILE="$(dirname $i)/.deps" test -f "$DEPSFILE" && rm "$DEPSFILE" touch -t 0001010000 "$DEPSFILE" done ]) ]) AC_DEFUN([BUILDSYS_PROG_IMPLIB], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_MSG_CHECKING(whether we need an implib) case "$host_os" in cygwin* | mingw*) AC_MSG_RESULT(yes) PROG_IMPLIB_NEEDED='yes' PROG_IMPLIB_LDFLAGS='-Wl,--export-all-symbols,--out-implib,lib${PROG}.a' ;; *) AC_MSG_RESULT(no) PROG_IMPLIB_NEEDED='no' PROG_IMPLIB_LDFLAGS='' ;; esac AC_SUBST(PROG_IMPLIB_NEEDED) AC_SUBST(PROG_IMPLIB_LDFLAGS) ]) AC_DEFUN([BUILDSYS_SHARED_LIB], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_MSG_CHECKING(for shared library system) case "$host_os" in darwin*) AC_MSG_RESULT(Darwin) LIB_CFLAGS='-fPIC -DPIC' LIB_LDFLAGS='-dynamiclib -current_version ${LIB_MAJOR}.${LIB_MINOR} -compatibility_version ${LIB_MAJOR}' LIB_PREFIX='lib' LIB_SUFFIX='.dylib' LDFLAGS_RPATH='-Wl,-rpath,${libdir}' LDFLAGS_INSTALL_NAME='-Wl,-install_name,${libdir}/$${out%.dylib}.${LIB_MAJOR}.dylib' PLUGIN_CFLAGS='-fPIC -DPIC' PLUGIN_LDFLAGS='-bundle -undefined dynamic_lookup' PLUGIN_SUFFIX='.bundle' INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib && ${LN_S} -f $${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.dylib && ${LN_S} -f $${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib ${DESTDIR}${libdir}/$$i' UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.dylib ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib' CLEAN_LIB='' ;; mingw* | cygwin*) AC_MSG_RESULT(MinGW / Cygwin) LIB_CFLAGS='' LIB_LDFLAGS='-shared -Wl,--export-all-symbols,--out-implib,${SHARED_LIB}.a' LIB_PREFIX='lib' LIB_SUFFIX='.dll' LDFLAGS_RPATH='-Wl,-rpath,${libdir}' PLUGIN_CFLAGS='' PLUGIN_LDFLAGS='-shared' PLUGIN_SUFFIX='.dll' INSTALL_LIB='&& ${MKDIR_P} ${DESTDIR}${bindir} && ${INSTALL} -m 755 $$i ${DESTDIR}${bindir}/$$i && ${INSTALL} -m 755 $$i.a ${DESTDIR}${libdir}/$$i.a' UNINSTALL_LIB='&& rm -f ${DESTDIR}${bindir}/$$i ${DESTDIR}${libdir}/$$i.a' CLEAN_LIB='${SHARED_LIB}.a' ;; openbsd* | mirbsd*) AC_MSG_RESULT(OpenBSD) LIB_CFLAGS='-fPIC -DPIC' LIB_LDFLAGS='-shared' LIB_PREFIX='lib' LIB_SUFFIX='.so.${LIB_MAJOR}.${LIB_MINOR}' LDFLAGS_RPATH='-Wl,-rpath,${libdir}' PLUGIN_CFLAGS='-fPIC -DPIC' PLUGIN_LDFLAGS='-shared' PLUGIN_SUFFIX='.so' INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$$i' UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i' CLEAN_LIB='' ;; solaris*) AC_MSG_RESULT(Solaris) LIB_CFLAGS='-fPIC -DPIC' LIB_LDFLAGS='-shared -Wl,-soname=${SHARED_LIB}.${LIB_MAJOR}.${LIB_MINOR}' LIB_PREFIX='lib' LIB_SUFFIX='.so' LDFLAGS_RPATH='-Wl,-rpath,${libdir}' PLUGIN_CFLAGS='-fPIC -DPIC' PLUGIN_LDFLAGS='-shared' PLUGIN_SUFFIX='.so' INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR} && rm -f ${DESTDIR}${libdir}/$$i && ${LN_S} $$i.${LIB_MAJOR}.${LIB_MINOR} ${DESTDIR}${libdir}/$$i' UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR}' CLEAN_LIB='' ;; *-android*) AC_MSG_RESULT(Android) LIB_CFLAGS='-fPIC -DPIC' LIB_LDFLAGS='-shared -Wl,-soname=${SHARED_LIB}.${LIB_MAJOR}' LIB_PREFIX='lib' LIB_SUFFIX='.so' LDFLAGS_RPATH='' PLUGIN_CFLAGS='-fPIC -DPIC' PLUGIN_LDFLAGS='-shared' PLUGIN_SUFFIX='.so' INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR}.0 && ${LN_S} -f $$i.${LIB_MAJOR}.${LIB_MINOR}.0 ${DESTDIR}${libdir}/$$i.${LIB_MAJOR} && ${LN_S} -f $$i.${LIB_MAJOR}.${LIB_MINOR}.0 ${DESTDIR}${libdir}/$$i' UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR} ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR}.0' CLEAN_LIB='' ;; *) AC_MSG_RESULT(ELF) LIB_CFLAGS='-fPIC -DPIC' LIB_LDFLAGS='-shared -Wl,-soname=${SHARED_LIB}.${LIB_MAJOR}' LIB_PREFIX='lib' LIB_SUFFIX='.so' LDFLAGS_RPATH='-Wl,-rpath,${libdir}' PLUGIN_CFLAGS='-fPIC -DPIC' PLUGIN_LDFLAGS='-shared' PLUGIN_SUFFIX='.so' INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR}.0 && ${LN_S} -f $$i.${LIB_MAJOR}.${LIB_MINOR}.0 ${DESTDIR}${libdir}/$$i.${LIB_MAJOR} && ${LN_S} -f $$i.${LIB_MAJOR}.${LIB_MINOR}.0 ${DESTDIR}${libdir}/$$i' UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i ${DESTDIR}${libdir}/$$i.${LIB_MAJOR} ${DESTDIR}${libdir}/$$i.${LIB_MAJOR}.${LIB_MINOR}.0' CLEAN_LIB='' ;; esac AC_SUBST(LIB_CFLAGS) AC_SUBST(LIB_LDFLAGS) AC_SUBST(LIB_PREFIX) AC_SUBST(LIB_SUFFIX) AC_SUBST(LDFLAGS_RPATH) AC_SUBST(LDFLAGS_INSTALL_NAME) AC_SUBST(PLUGIN_CFLAGS) AC_SUBST(PLUGIN_LDFLAGS) AC_SUBST(PLUGIN_SUFFIX) AC_SUBST(INSTALL_LIB) AC_SUBST(UNINSTALL_LIB) AC_SUBST(CLEAN_LIB) ])