From 55ad3cfd3f9809f4a1f0210fe7c7110d147c54f6 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Wed, 12 Feb 2014 23:13:00 +0100 Subject: [PATCH] systemd: fix build with uClibc toolchains Currently, the build of systemd is broken with the internal toolchain backend, because we have uClibc patches that add support for execvpe(), but we also have a patch for systemd that adds execvpe(), which was added when the internal uClibc didn't support execvpe(). However, simply dropping the patch is not a solution, as it would break the build of systemd with any other uClibc than the ones built with Buildroot. For example, a Crosstool-NG uClibc toolchain would fail. Beyond this execvpe() problem, there are also other problems that prevented systemd from being built with unpatched uClibc. This patch does the following: * Add sequence numbers of systemd patches. * Regenerate them to avoid fuzz. * Improve the uClibc compatibility patch so that it: - Detects whether execvpe() is available or not, and if not available provide an implementation. - Detects if dup3() is available or not, and if not available provide an implementation. - Detects if MSG_CMSG_CLOEXEC is defined or not, and if not, define it to the appropriate value. This has been tested with uClibc internal toolchain, uClibc external toolchain built with Buildroot, uClibc external toolchain built with Crosstool-NG, and glibc external toolchain. Fixes bug #6776. Fixes: http://autobuild.buildroot.org/results/591/591c6055430da334bd1e46e7d01497add45da837/build-end.log http://autobuild.buildroot.org/results/e58/e5851939d2837d4e35a4c1d9ca6df3c93ed5a34b/build-end.log http://autobuild.buildroot.org/results/92e/92e4c40c69a3feb4046b2fe5a0d8c69d5a44a157/build-end.log Signed-off-by: Thomas Petazzoni Signed-off-by: Peter Korsgaard --- ....patch => systemd-01-fix-getty-unit.patch} | 16 ++++---- ...e.patch => systemd-02-fix-page-size.patch} | 6 +-- ...-fix.patch => systemd-03-uclibc-fix.patch} | 41 +++++++++++++++---- package/systemd/systemd.mk | 2 + 4 files changed, 46 insertions(+), 19 deletions(-) rename package/systemd/{systemd-fix-getty-unit.patch => systemd-01-fix-getty-unit.patch} (70%) rename package/systemd/{systemd-fix-page-size.patch => systemd-02-fix-page-size.patch} (91%) rename package/systemd/{systemd-uclibc-fix.patch => systemd-03-uclibc-fix.patch} (60%) diff --git a/package/systemd/systemd-fix-getty-unit.patch b/package/systemd/systemd-01-fix-getty-unit.patch similarity index 70% rename from package/systemd/systemd-fix-getty-unit.patch rename to package/systemd/systemd-01-fix-getty-unit.patch index 6df54b1325..9008e434b4 100644 --- a/package/systemd/systemd-fix-getty-unit.patch +++ b/package/systemd/systemd-01-fix-getty-unit.patch @@ -6,11 +6,11 @@ Signed-off-by: Maxime Ripard units/serial-getty@.service.m4 | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -Index: systemd-37/units/getty@.service.m4 +Index: b/units/getty@.service.m4 =================================================================== ---- systemd-37.orig/units/getty@.service.m4 -+++ systemd-37/units/getty@.service.m4 -@@ -32,7 +32,7 @@ +--- a/units/getty@.service.m4 ++++ b/units/getty@.service.m4 +@@ -35,7 +35,7 @@ [Service] Environment=TERM=linux @@ -19,11 +19,11 @@ Index: systemd-37/units/getty@.service.m4 Restart=always RestartSec=0 UtmpIdentifier=%I -Index: systemd-37/units/serial-getty@.service.m4 +Index: b/units/serial-getty@.service.m4 =================================================================== ---- systemd-37.orig/units/serial-getty@.service.m4 -+++ systemd-37/units/serial-getty@.service.m4 -@@ -32,7 +32,7 @@ +--- a/units/serial-getty@.service.m4 ++++ b/units/serial-getty@.service.m4 +@@ -35,7 +35,7 @@ [Service] Environment=TERM=vt100 diff --git a/package/systemd/systemd-fix-page-size.patch b/package/systemd/systemd-02-fix-page-size.patch similarity index 91% rename from package/systemd/systemd-fix-page-size.patch rename to package/systemd/systemd-02-fix-page-size.patch index 241ceb8c0b..a8b351aa6f 100644 --- a/package/systemd/systemd-fix-page-size.patch +++ b/package/systemd/systemd-02-fix-page-size.patch @@ -6,8 +6,8 @@ Date: Wed Mar 21 23:47:44 2012 +0100 Let's use NAME_MAX, as suggested by Dan Walsh -diff --git a/src/journal/journald.c b/src/journal/journald.c -index d27cb60..87390bd 100644 +Index: b/src/journal/journald.c +=================================================================== --- a/src/journal/journald.c +++ b/src/journal/journald.c @@ -29,7 +29,6 @@ @@ -18,7 +18,7 @@ index d27cb60..87390bd 100644 #include #include -@@ -2149,10 +2148,20 @@ static int process_event(Server *s, struct epoll_event *ev) { +@@ -2141,10 +2140,20 @@ size_t label_len = 0; union { struct cmsghdr cmsghdr; diff --git a/package/systemd/systemd-uclibc-fix.patch b/package/systemd/systemd-03-uclibc-fix.patch similarity index 60% rename from package/systemd/systemd-uclibc-fix.patch rename to package/systemd/systemd-03-uclibc-fix.patch index 9a208450ad..f3b41c1a64 100644 --- a/package/systemd/systemd-uclibc-fix.patch +++ b/package/systemd/systemd-03-uclibc-fix.patch @@ -13,18 +13,23 @@ Signed-off-by: Peter Korsgaard src/macro.h | 15 +++++++++++++++ 2 files changed, 17 insertions(+) -Index: systemd-44/src/macro.h +Index: b/src/macro.h =================================================================== ---- systemd-44.orig/src/macro.h -+++ systemd-44/src/macro.h -@@ -28,6 +28,21 @@ +--- a/src/macro.h ++++ b/src/macro.h +@@ -28,6 +28,33 @@ #include #include +#ifdef __UCLIBC__ +/* uclibc does not implement mkostemp GNU extension */ +#define mkostemp(x,y) mkstemp(x) ++/* uclibc may not define MSG_CMSG_CLOEXEC */ ++#if defined HAVE_DECL_MSG_CMSG_CLOEXEC && !HAVE_DECL_MSG_CMSG_CLOEXEC ++#define MSG_CMSG_CLOEXEC 0x40000000 ++#endif +/* uclibc does not implement execvpe GNU extension */ ++#ifndef HAVE_EXECVPE +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif @@ -35,14 +40,21 @@ Index: systemd-44/src/macro.h + environ = (char **)envp; + return execvp(file, argv); +} -+#endif ++#endif /* HAVE_EXECVPE */ ++#ifndef HAVE_DUP3 ++#include ++static inline int dup3(int oldfd, int newfd, int flags) { ++ return syscall(__NR_dup3, oldfd, newfd, flags); ++} ++#endif /* HAVE_DUP3 */ ++#endif /* __UCLIBC__ */ #define _printf_attr_(a,b) __attribute__ ((format (printf, a, b))) #define _sentinel_ __attribute__ ((sentinel)) #define _noreturn_ __attribute__((noreturn)) -Index: systemd-44/src/journal/journal-file.c +Index: b/src/journal/journal-file.c =================================================================== ---- systemd-44.orig/src/journal/journal-file.c -+++ systemd-44/src/journal/journal-file.c +--- a/src/journal/journal-file.c ++++ b/src/journal/journal-file.c @@ -229,11 +229,13 @@ } } @@ -57,3 +69,16 @@ Index: systemd-44/src/journal/journal-file.c if (fstat(f->fd, &f->last_stat) < 0) return -errno; +Index: b/configure.ac +=================================================================== +--- a/configure.ac ++++ b/configure.ac +@@ -111,6 +111,8 @@ + + AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([*** POSIX RT library not found])]) + AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([*** Dynamic linking loader library not found])]) ++AC_CHECK_FUNCS([execvpe dup3]) ++AC_CHECK_DECLS([MSG_CMSG_CLOEXEC], [], [], [#include ]) + + save_LIBS="$LIBS" + LIBS= diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk index a5dc8e5914..bd901019ac 100644 --- a/package/systemd/systemd.mk +++ b/package/systemd/systemd.mk @@ -22,6 +22,8 @@ ifeq ($(BR2_PACKAGE_BUSYBOX),y) SYSTEMD_DEPENDENCIES += busybox endif +SYSTEMD_AUTORECONF = YES + SYSTEMD_CONF_OPT += \ --with-distro=other \ --disable-selinux \