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lib: Introduce versioned symbols

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As rpm-ostree evolves, it keeps driving API additions to libostree.
This creates a relatively tight coupling.

However, if delivering via e.g. RPM, unless one manually remembers to
increment the `Requires:` in the spec file, it's possible for the two
to become desynchronized.

RPM handles versioned symbols and will ensure a dependency if the
application starts using a newer version.

To implement this, switch to `-fvisibility=hidden`, along with an
annotation in the header, and finally add a `.sym` file.

This matches what other projects like systemd and libvirt do.

Although rather than attempting to retroactively version symbols, glom
them all onto the current one.
This commit is contained in:
Colin Walters committed 2016-03-01 21:45:26 -05:00
1 parent 2badf36cfd
commit 16979cc5ed
19 files changed
+608 -13
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src/libostree/ostree-sysroot-upgrader.h
+13
View File
@@ -42,32 +42,42 @@ typedef enum {
OSTREE_SYSROOT_UPGRADER_FLAGS_IGNORE_UNCONFIGURED = (1 << 1),
} OstreeSysrootUpgraderFlags;
_OSTREE_PUBLIC
GType ostree_sysroot_upgrader_get_type (void);
_OSTREE_PUBLIC
GType ostree_sysroot_upgrader_flags_get_type (void);
_OSTREE_PUBLIC
OstreeSysrootUpgrader *ostree_sysroot_upgrader_new (OstreeSysroot *sysroot,
GCancellable *cancellable,
GError **error);
_OSTREE_PUBLIC
OstreeSysrootUpgrader *ostree_sysroot_upgrader_new_for_os (OstreeSysroot *sysroot,
const char *osname,
GCancellable *cancellable,
GError **error);
_OSTREE_PUBLIC
OstreeSysrootUpgrader *ostree_sysroot_upgrader_new_for_os_with_flags (OstreeSysroot *sysroot,
const char *osname,
OstreeSysrootUpgraderFlags flags,
GCancellable *cancellable,
GError **error);
_OSTREE_PUBLIC
GKeyFile *ostree_sysroot_upgrader_get_origin (OstreeSysrootUpgrader *self);
_OSTREE_PUBLIC
GKeyFile *ostree_sysroot_upgrader_dup_origin (OstreeSysrootUpgrader *self);
_OSTREE_PUBLIC
gboolean ostree_sysroot_upgrader_set_origin (OstreeSysrootUpgrader *self, GKeyFile *origin,
GCancellable *cancellable, GError **error);
_OSTREE_PUBLIC
char *ostree_sysroot_upgrader_get_origin_description (OstreeSysrootUpgrader *self);
_OSTREE_PUBLIC
gboolean ostree_sysroot_upgrader_check_timestamps (OstreeRepo *repo,
const char *from_rev,
const char *to_rev,
@@ -78,6 +88,7 @@ typedef enum {
OSTREE_SYSROOT_UPGRADER_PULL_FLAGS_ALLOW_OLDER = (1 << 0)
} OstreeSysrootUpgraderPullFlags;
_OSTREE_PUBLIC
gboolean ostree_sysroot_upgrader_pull (OstreeSysrootUpgrader *self,
OstreeRepoPullFlags flags,
OstreeSysrootUpgraderPullFlags upgrader_flags,
@@ -86,6 +97,7 @@ gboolean ostree_sysroot_upgrader_pull (OstreeSysrootUpgrader *self,
GCancellable *cancellable,
GError **error);
_OSTREE_PUBLIC
gboolean ostree_sysroot_upgrader_pull_one_dir (OstreeSysrootUpgrader *self,
const char *dir_to_pull,
OstreeRepoPullFlags flags,
@@ -95,6 +107,7 @@ gboolean ostree_sysroot_upgrader_pull_one_dir (OstreeSysrootUpgrader *self,
GCancellable *cancellable,
GError **error);
_OSTREE_PUBLIC
gboolean ostree_sysroot_upgrader_deploy (OstreeSysrootUpgrader *self,
GCancellable *cancellable,
GError **error);