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Use linker to detect libv8_libplatform & libv8_libbase

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Conflicts:
	config.m4

Backport from php7 branch.
This commit is contained in:
Stefan Siegl 2016-12-05 16:18:16 +00:00
parent 15cdc3e7df
commit ea8ac66762
1 changed files with 34 additions and 44 deletions
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78
config.m4
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@ -81,21 +81,43 @@ if test "$PHP_V8JS" != "no"; then
old_LDFLAGS=$LDFLAGS
old_CPPFLAGS=$CPPFLAGS
case $host_os in
darwin* )
# MacOS does not support --rpath
LDFLAGS="-L$V8_DIR/$PHP_LIBDIR"
;;
* )
LDFLAGS="-Wl,--rpath=$V8_DIR/$PHP_LIBDIR -L$V8_DIR/$PHP_LIBDIR"
;;
esac
LIBS=-lv8
CPPFLAGS="-I$V8_DIR/include -std=$ac_cv_v8_cstd"
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
CPPFLAGS="$CPPFLAGS -I$V8_DIR/include -std=$ac_cv_v8_cstd"
LDFLAGS="$LDFLAGS -L$V8_DIR/$PHP_LIBDIR"
AC_DEFUN([V8_CHECK_LINK], [
AC_MSG_CHECKING([for libv8_libplatform])
save_LIBS="$LIBS"
LIBS="$LIBS $1 -lv8_libplatform -lv8"
AC_LINK_IFELSE([AC_LANG_PROGRAM([
namespace v8 {
namespace platform {
void* CreateDefaultPlatform(int thread_pool_size = 0);
}
}
], [ v8::platform::CreateDefaultPlatform(); ])], [
dnl libv8_libplatform.so found
AC_MSG_RESULT(found)
V8JS_SHARED_LIBADD="$1 -lv8_libplatform $V8JS_SHARED_LIBADD"
$2
], [ $3 ])
LIBS="$save_LIBS"
])
V8_CHECK_LINK([], [], [
V8_CHECK_LINK([-lv8_libbase], [], [ AC_MSG_ERROR([could not find libv8_libplatform library]) ])
])
dnl
dnl Check for V8 version
dnl (basic support for library linking assumed to be achieved above)
dnl
LIBS="$LIBS $V8JS_SHARED_LIBADD"
AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [
AC_TRY_RUN([#include <v8.h>
#include <iostream>
@ -132,40 +154,8 @@ int main ()
PHP_ADD_INCLUDE($V8_DIR)
case $host_os in
darwin* )
static_link_extra="libv8_libplatform.a libv8_libbase.a"
;;
* )
static_link_extra="libv8_libplatform.a"
;;
esac
LDFLAGS_libplatform=""
for static_link_extra_file in $static_link_extra; do
AC_MSG_CHECKING([for $static_link_extra_file])
if test -r $V8_DIR/lib64/$static_link_extra_file; then
static_link_dir=$V8_DIR/lib64
AC_MSG_RESULT(found in $V8_DIR/lib64)
fi
if test -r $V8_DIR/lib/$static_link_extra_file; then
static_link_dir=$V8_DIR/lib
AC_MSG_RESULT(found in $V8_DIR/lib)
fi
if test -z "$static_link_dir"; then
AC_MSG_RESULT([not found])
AC_MSG_ERROR([Please provide $static_link_extra_file next to the libv8.so, see README.md for details])
fi
LDFLAGS_libplatform="$LDFLAGS_libplatform $static_link_dir/$static_link_extra_file"
done
# modify flags for (possibly) succeeding V8 startup check
CPPFLAGS="$CPPFLAGS -I$V8_DIR"
LIBS="$LIBS $LDFLAGS_libplatform"
dnl building for v8 4.4.10 or later, which requires us to
dnl provide startup data, if V8 wasn't compiled with snapshot=off.