diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 197 |
1 files changed, 6 insertions, 191 deletions
diff --git a/configure.ac b/configure.ac index 99895137..090d8dce 100644 --- a/configure.ac +++ b/configure.ac @@ -372,199 +372,14 @@ dnl requirements are installed, enable the grapher. AM_CONDITIONAL([BUILD_GRAPHER], [test "x${have_grapher_reqs}" == "xyes" -a x"$enable_grapher" != "xno"]) -# Integration with rpm library to support missing debuginfo suggestions. -# --without-rpm: Disable any rpm support. -# --with-rpm=libname.so: Try to dynamically open `libname.so' during runtime. -# Even with runtime missing `libname.so' GDB will still other run correctly. -# Missing `libname.so' during ./configure will abort the configuration. -# --with-rpm=librpm.so: Like `--with-rpm=libname.so' but try to find specific -# minor version first such as `librpm-4.6.so' as minor version differences -# mean API+ABI incompatibility. If the specific match versioned library name -# could not be found still open dynamically at least `librpm.so'. -# --with-rpm: Like `--with-rpm=librpm.so' but if any of its detection fails try -# to find librpm for compilation-time linking by pkg-config. GDB binary will -# be probably linked with the version specific library (as `librpm-4.6.so'). -# Failure to find librpm by pkg-config will abort the configuration. -# (default) --with-rpm=auto: Like `--with-rpm=librpm.so' but if even pkg-config -# cannot find librpm use to the rpmless compilation (like `--without-rpm'). - +dnl Look for librpm. AC_ARG_WITH([rpm], [AS_HELP_STRING([--with-rpm], - [query rpm database for missing debuginfos @<:@yes/no, def. auto=librpm.so@:>@])], [], [with_rpm="auto"]) - -m4_pattern_allow([^AC_MSG_ERROR$]) -m4_pattern_allow([^AC_MSG_WARN$]) -if test "x$with_rpm" != "xno"; then - if test "x$with_rpm" = "xyes"; then - LIBRPM="librpm.so" - RPM_REQUIRE=true - DLOPEN_REQUIRE=false - elif test "x$with_rpm" = "xauto"; then - LIBRPM="librpm.so" - RPM_REQUIRE=false - DLOPEN_REQUIRE=false - else - LIBRPM="$with_rpm" - RPM_REQUIRE=true - DLOPEN_REQUIRE=true - fi - LIBRPM_STRING='"'"$LIBRPM"'"' - - AC_MSG_CHECKING([specific librpm version]) - HAVE_DLOPEN_LIBRPM=false - save_LIBS="$LIBS" - LIBS="$LIBS -ldl" - AC_RUN_IFELSE(AC_LANG_PROGRAM([[ -#include <rpm/rpmlib.h> -#include <dlfcn.h> -#include <errno.h> - ]], [[ - void *h; - const char *const *rpmverp; - FILE *f; - - f = fopen ("conftest.out", "w"); - if (!f) - { - fprintf (stderr, "Cannot write \"%s\": %s\n", "conftest.out", - strerror (errno)); - return 1; - } - h = dlopen ($LIBRPM_STRING, RTLD_LAZY); - if (!h) - { - fprintf (stderr, "dlopen (\"%s\"): %s\n", $LIBRPM_STRING, dlerror ()); - return 1; - } - rpmverp = dlsym (h, "RPMVERSION"); - if (!rpmverp) - { - fprintf (stderr, "dlsym (\"RPMVERSION\"): %s\n", dlerror ()); - return 1; - } - fprintf (stderr, "RPMVERSION is: \""); - fprintf (stderr, "%s\"\n", *rpmverp); - - /* Try to find the specific librpm version only for "librpm.so" as we do - not know how to assemble the version string otherwise. */ - - if (strcmp ("librpm.so", $LIBRPM_STRING) != 0) - { - fprintf (f, "%s\n", $LIBRPM_STRING); - return 0; - } - else - { - char *h2_name; - void *h2; - int major, minor; - - if (sscanf (*rpmverp, "%d.%d", &major, &minor) != 2) - { - fprintf (stderr, "Unable to parse RPMVERSION.\n"); - fprintf (f, "%s\n", $LIBRPM_STRING); - return 0; - } - /* Avoid the square brackets by malloc. */ - h2_name = malloc (64); - sprintf (h2_name, "librpm-%d.%d.so", major, minor); - h2 = dlopen (h2_name, RTLD_LAZY); - if (!h2) - { - fprintf (stderr, "dlopen (\"%s\"): %s\n", h2_name, dlerror ()); - fprintf (f, "%s\n", $LIBRPM_STRING); - return 0; - } - if (h2 != h) - { - fprintf (stderr, "dlopen of \"%s\" and \"%s\" are different.\n", - $LIBRPM_STRING, h2_name); - fprintf (f, "%s\n", $LIBRPM_STRING); - return 0; - } - /* Found the valid .so name with a specific version. */ - fprintf (f, "%s\n", h2_name); - return 0; - } - ]]), [ - DLOPEN_LIBRPM="`cat conftest.out`" - if test "x$DLOPEN_LIBRPM" != "x"; then - HAVE_DLOPEN_LIBRPM=true - AC_MSG_RESULT($DLOPEN_LIBRPM) - fi - ]) - rm -f conftest.out - - m4_define([CHECK_LIBRPM_COMPAT], [ - AC_MSG_CHECKING([rpm library API compatibility]) - # The compilation requires -Werror to verify anything. - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -Werror" - AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[ -/* Duplicate here the declarations to verify they match "symfile.c". */ -#include <rpm/rpmlib.h> -#include <rpm/rpmts.h> -#include <rpm/rpmdb.h> -#include <rpm/header.h> -extern char * headerFormat(Header h, const char * fmt, errmsg_t * errmsg); -extern int rpmReadConfigFiles(const char * file, const char * target); -extern rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi); -extern Header rpmdbNextIterator(rpmdbMatchIterator mi); -extern rpmts rpmtsCreate(void); -extern rpmts rpmtsFree(rpmts ts); -extern rpmdbMatchIterator rpmtsInitIterator(const rpmts ts, rpmTag rpmtag, - const void * keyp, size_t keylen); - ]]), [ - LIBRPM_COMPAT=true - rpm_LIBS=-lrpm - AC_MSG_RESULT(yes) - ], [ - LIBRPM_COMPAT=false - rpm_LIBS= - AC_MSG_RESULT(no) - ]) - CFLAGS="$save_CFLAGS" - ]) - AC_SUBST(rpm_LIBS) - - if $HAVE_DLOPEN_LIBRPM; then - CHECK_LIBRPM_COMPAT - if ! $LIBRPM_COMPAT; then - HAVE_DLOPEN_LIBRPM=false - fi - fi - - if $HAVE_DLOPEN_LIBRPM; then - DLOPEN_LIBRPM_STRING='"'"$DLOPEN_LIBRPM"'"' - AC_DEFINE_UNQUOTED(DLOPEN_LIBRPM, $DLOPEN_LIBRPM_STRING, [librpm version specific library name to dlopen.]) - AC_DEFINE(HAVE_LIBRPM, 1, [Define if librpm library is being used.]) - else - AC_MSG_RESULT(no) - LIBS="$save_LIBS" - if $DLOPEN_REQUIRE; then - AC_MSG_ERROR([Specific name $LIBRPM was requested but it could not be opened.]) - fi - PKG_CHECK_MODULES(RPM, rpm, [HAVE_LIBRPM=true], [HAVE_LIBRPM=false]) - - if $HAVE_LIBRPM; then - CHECK_LIBRPM_COMPAT - if ! $LIBRPM_COMPAT; then - HAVE_LIBRPM=false - RPM_PKG_ERRORS="Found $LIBRPM API is incompatibile with this GDB" - fi - fi - - if $HAVE_LIBRPM; then - AC_DEFINE(HAVE_LIBRPM, 1, [Define if librpm library is being used.]) - CFLAGS="$CFLAGS $RPM_CFLAGS" - LIBS="$LIBS $RPM_LIBS" - else - if $RPM_REQUIRE; then - AC_MSG_ERROR($RPM_PKG_ERRORS) - else - AC_MSG_WARN($RPM_PKG_ERRORS) - fi - fi + [query rpm database for missing debuginfos])], [], [with_rpm="auto"]) +if test "$with_rpm" != "no"; then + AC_CHECK_LIB(rpm, rpmtsInitIterator) + if test "x$have_librpm" != "xyes" -a "$with_rpm" == "yes"; then + AC_MSG_ERROR([cannot find librpm]) fi fi |