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<p class="MsoNormal"><span lang="EN-GB">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have some issue regarding Libtool and my external toolchain (located in /opt)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I've created a basic C++ (STL) library using autotools.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">My configure.ac is very simple:<o:p></o:p></span></p>
<p class="MsoNormal"><code><o:p></o:p></p>
<p class="MsoNormal">AC_PREREQ([2.60])<o:p></o:p></p>
<p class="MsoNormal">AC_INIT([exemple], [1.2.3], [test@exemple.org])<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">AC_CONFIG_SRCDIR([Makefile.am])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AC_CANONICAL_HOST<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AC_CONFIG_MACRO_DIR([m4])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AM_INIT_AUTOMAKE([foreign])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">LT_PREREQ([2.4])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">LT_INIT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">dnl Check for progs<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AC_PROG_CXX<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AC_SUBST([LIBEXEMPLE_SO_VERSION], [1:2:3])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">AC_OUTPUT([<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> Makefile<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">])<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"></code><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Then I've made a basic OE recipe to build it:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><code><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">SUMMARY = "Libtool simple exemple"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">LICENSE = "MIT"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">LIC_FILES_CHKSUM = "\<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420 \<o:p></o:p></span></p>
<p class="MsoNormal">"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">PR = "r1"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">SRC_URI = "git://xx.xx.xx.xx/libexemple.git"<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">SRCREV = "HEAD"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">S = "${WORKDIR}/git"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">inherit autotools<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"></code><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Works fine but resulting .la files (in libexemple-dev package) contains:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">dependency_libs='/opt/...-linux-gnueabi/lib/libstdc++.la'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">This is bad because if another program (using libtool) depends on libexample, libtool will search<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">libstdc++ in "${STAGING_DIR_HOST}/opt/...-linux-gnueabi/lib/libstdc++.la" (instead of "${STAGING_DIR_HOST}/lib/libstdc++.la").<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I would like that dependency_libs points to openembedded sysroot.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Note: Toolchain's .la files located in ${STAGING_DIR_HOST} are correct (and not referencing /opt).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I am wondering what is the best workaround for this. For now I’ve patched my recipe:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><code><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">do_compile_prepend () {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> cd ${S}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> sed -i -e '/^compiler_lib_search_dirs=/s/.*/compiler_lib_search_dirs=""/' ${HOST_SYS}-libtool<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> sed -i -e '/^compiler_lib_search_path=/s/.*/compiler_lib_search_path=""/' ${HOST_SYS}-libtool<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> sed -i -e '/^sys_lib_search_path_spec=/s/.*/sys_lib_search_path_spec=""/' ${HOST_SYS}-libtool<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"></code><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Ugly but works because libstdc++ can be found (using --sysroot argument). But "dependency_libs" is empty is .la file.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">In real life: this is libglu and glew.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Matthieu Crapet<o:p></o:p></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">PS: "exemple" is french word for "example" ;)<o:p></o:p></span></p>
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