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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_LDFLAGS=$LDFLAGS
old_CPPFLAGS=$CPPFLAGS 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=$ac_cv_v8_cstd"
AC_LANG_SAVE AC_LANG_SAVE
AC_LANG_CPLUSPLUS AC_LANG_CPLUSPLUS
CPPFLAGS="$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 $V8JS_SHARED_LIBADD"
AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [ AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [
AC_TRY_RUN([#include <v8.h> AC_TRY_RUN([#include <v8.h>
#include <iostream> #include <iostream>
@ -132,40 +154,8 @@ int main ()
PHP_ADD_INCLUDE($V8_DIR) 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 # modify flags for (possibly) succeeding V8 startup check
CPPFLAGS="$CPPFLAGS -I$V8_DIR" CPPFLAGS="$CPPFLAGS -I$V8_DIR"
LIBS="$LIBS $LDFLAGS_libplatform"
dnl building for v8 4.4.10 or later, which requires us to 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. dnl provide startup data, if V8 wasn't compiled with snapshot=off.