libmount: use fmemopen() in more robust way [coverity scan]

[thirdparty/util-linux.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index bddb7bfcf639ecfc0c0ff1d812e8e14b02990e66..4daab0d8faa9344d72fa74306ddeaf06a8b7a8a0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ PACKAGE_VERSION_RELEASE=$(echo $PACKAGE_VERSION | awk -F. '{
 
 dnl libblkid version
 LIBBLKID_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
-LIBBLKID_DATE="19-Oct-2018"
+LIBBLKID_DATE="14-Jun-2019"
 LIBBLKID_LT_MAJOR=1
 LIBBLKID_LT_MINOR=1
 LIBBLKID_LT_MICRO=0
@@ -155,9 +155,9 @@ AC_ARG_ENABLE([asan],
 )
 AS_IF([test "x$enable_asan" = xyes], [
   UL_WARN_ADD([-fsanitize=address])
+  ASAN_LDFLAGS="-fsanitize=address"
 ])
-
-
+AC_SUBST([ASAN_LDFLAGS])
 
 dnl libtool-2
 LT_INIT
@@ -172,6 +172,7 @@ m4_ifndef([PKG_PROG_PKG_CONFIG],
     environment variable AL_OPTS="-I/other/macro/dir" before running
     ./autogen.sh or autoreconf again. Make sure pkg-config is installed.])])
 PKG_PROG_PKG_CONFIG
+PKG_INSTALLDIR(['${usrlib_execdir}/pkgconfig'])
 
 GTK_DOC_CHECK([1.10])
 AC_PATH_PROG([XSLTPROC], [xsltproc])
@@ -242,6 +243,7 @@ AC_CHECK_HEADERS([ \
        linux/version.h \
        linux/securebits.h \
        linux/net_namespace.h \
+       linux/capability.h \
        locale.h \
        mntent.h \
        net/if.h \
@@ -381,6 +383,7 @@ have_linux_blkzoned_h=$ac_cv_header_linux_blkzoned_h
 have_linux_btrfs_h=$ac_cv_header_linux_btrfs_h
 have_linux_raw_h=$ac_cv_header_linux_raw_h
 have_linux_securebits_h=$ac_cv_header_linux_securebits_h
+have_linux_capability_h=$ac_cv_header_linux_capability_h
 have_linux_watchdog_h=$ac_cv_header_linux_watchdog_h
 have_security_pam_appl_h=$ac_cv_header_security_pam_appl_h
 have_security_pam_misc_h=$ac_cv_header_security_pam_misc_h
@@ -465,6 +468,7 @@ AC_CHECK_FUNCS([ \
        err \
        errx \
        explicit_bzero \
+       fmemopen \
        fsync \
        utimensat \
        getdomainname \
@@ -544,18 +548,24 @@ AC_CHECK_FUNCS([timer_create],
        [AC_CHECK_LIB([rt], [timer_create], [
                have_timer="yes"
                REALTIME_LIBS="-lrt"
+               AC_DEFINE_UNQUOTED([HAVE_TIMER_CREATE], [1], [Define if timer_create exist in -lrt])
        ],[
                AC_SEARCH_LIBS([timer_create], [rt], [
                        AC_MSG_RESULT(yes)
                        have_timer="yes"
                        REALTIME_LIBS="-lrt -lpthread"
+                       AC_DEFINE_UNQUOTED([HAVE_TIMER_CREATE], [1], [Define if timer_create exist in -lrt -lpthread])
                ],[], [-lpthread]
                )
-               ])]
+       ])]
 )
 
 AC_SUBST([REALTIME_LIBS])
 
+AS_IF([test x"$have_timer" = xno], [
+       AC_CHECK_FUNCS([setitimer], [have_timer="yes"], [have_timer="no"])
+])
+
 
 AC_CHECK_LIB([rtas], [rtas_get_sysparm], [
        RTAS_LIBS="-lrtas"
@@ -594,10 +604,7 @@ AS_IF([test x"$have_dirfd" = xno], [
                 #include <dirent.h>])
 ])
 
-AS_CASE([$have_dirfd:$have_ddfd],
-  [no:no],
-    [AC_MSG_ERROR([cannot find a method to get filedescriptor of directory])]
-)
+AM_CONDITIONAL([HAVE_DIRFD], [test "x$have_dirfd" = xyes -o "x$have_ddfd" = xyes])
 
 
 AC_MSG_CHECKING([whether program_invocation_short_name is defined])
@@ -752,6 +759,7 @@ UL_REQUIRES_COMPILE([widechar], [[
   #include <wchar.h>
   #include <wctype.h>
   #include <stdio.h>
+  #include <stdlib.h>
   ]], [[
     wchar_t wc;
     wint_t w;
@@ -782,8 +790,9 @@ AC_CHECK_DECLS([CPU_ALLOC], [], [], [[
 ]])
 
 # on Solaris, you can't mix and match standards, since we use c99
-# aparently at this stage, XOPEN_SOURCE will conflict.  As workaround,
+# apparently at this stage, XOPEN_SOURCE will conflict.  As workaround,
 # check for crypt.h and use that without XOPEN_SOURCE.
+have_crypt=no
 AC_CHECK_HEADERS([crypt.h])
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #ifdef HAVE_CRYPT_H
@@ -794,7 +803,10 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #endif
 ]], [[
 char *c = crypt("abc","pw");
-]])],[],[
+]])],[
+  have_libcrypt=no
+  have_crypt=yes
+],[
   LIBS="$LIBS -lcrypt"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
   #ifdef HAVE_CRYPT_H
@@ -808,8 +820,9 @@ char *c = crypt("abc","pw");
   ]])],[
   AC_DEFINE([HAVE_LIBCRYPT], [1], [Do we need -lcrypt?])
   have_libcrypt=yes
+  have_crypt=yes
   ],[
-  AC_MSG_ERROR([crypt() is not available])
+  AC_MSG_WARN([crypt() is not available])
   ])
 ])
 AM_CONDITIONAL([HAVE_LIBCRYPT], [test "x$have_libcrypt" = xyes])
@@ -1065,6 +1078,7 @@ AC_ARG_ENABLE([libblkid],
 )
 UL_BUILD_INIT([libblkid])
 UL_REQUIRES_HAVE([libblkid], [openat], [openat functions])
+UL_REQUIRES_HAVE([libblkid], [dirfd,ddfd], [dirfd or ddfd function])
 AC_SUBST([LIBBLKID_DATE])
 AC_SUBST([LIBBLKID_VERSION])
 AC_SUBST([LIBBLKID_VERSION_INFO])
@@ -1086,6 +1100,7 @@ AC_ARG_ENABLE([libmount],
 UL_BUILD_INIT([libmount])
 UL_REQUIRES_BUILD([libmount], [libblkid])
 UL_REQUIRES_HAVE([libmount], [scanf_alloc_modifier], [scanf string alloc modifier])
+UL_REQUIRES_HAVE([libmount], [dirfd,ddfd], [dirfd or ddfd function])
 AM_CONDITIONAL([BUILD_LIBMOUNT], [test "x$build_libmount" = xyes])
 AM_CONDITIONAL([BUILD_LIBMOUNT_TESTS], [test "x$build_libmount" = xyes -a "x$enable_static" = xyes])
 AS_IF([test "x$build_libmount" = xyes], [
@@ -1152,21 +1167,31 @@ AC_SUBST([LIBFDISK_VERSION_INFO])
 AC_DEFINE_UNQUOTED([LIBFDISK_VERSION], ["$LIBFDISK_VERSION"], [libfdisk version string])
 
 
-UL_BUILD_INIT([fdisk], [check])
+AC_ARG_ENABLE([fdisks],
+  AS_HELP_STRING([--disable-fdisks], [do not build fdisk(8), sfdisk(8) and cfdisk(8)]),
+  [], [UL_DEFAULT_ENABLE([fdisks], [check])]
+)
+enable_fdisk=$enable_fdisks
+enable_sfdisk=$enable_fdisks
+enable_cfdisk=$enable_fdisks
+
+UL_BUILD_INIT([fdisk])
 UL_REQUIRES_HAVE([fdisk], [openat], [openat functions])
+UL_REQUIRES_HAVE([fdisk], [dirfd,ddfd], [dirfd or ddfd function])
 UL_REQUIRES_BUILD([fdisk], [libfdisk])
 UL_REQUIRES_BUILD([fdisk], [libsmartcols])
 AM_CONDITIONAL([BUILD_FDISK], [test "x$build_fdisk" = xyes])
 
 
-UL_BUILD_INIT([sfdisk], [check])
+UL_BUILD_INIT([sfdisk])
 UL_REQUIRES_HAVE([sfdisk], [openat], [openat functions])
+UL_REQUIRES_HAVE([sfdisk], [dirfd,ddfd], [dirfd or ddfd function])
 UL_REQUIRES_BUILD([sfdisk], [libfdisk])
 UL_REQUIRES_BUILD([sfdisk], [libsmartcols])
 AM_CONDITIONAL([BUILD_SFDISK], [test "x$build_sfdisk" = xyes])
 
 
-UL_BUILD_INIT([cfdisk], [check])
+UL_BUILD_INIT([cfdisk])
 UL_REQUIRES_BUILD([cfdisk], [libfdisk])
 UL_REQUIRES_BUILD([cfdisk], [libsmartcols])
 UL_REQUIRES_HAVE([cfdisk], [open_memstream], [open_memstream function])
@@ -1352,6 +1377,7 @@ AC_ARG_ENABLE([unshare],
 UL_BUILD_INIT([unshare])
 UL_REQUIRES_LINUX([unshare])
 UL_REQUIRES_SYSCALL_CHECK([unshare], [UL_CHECK_SYSCALL([unshare])])
+UL_REQUIRES_HAVE([unshare], [linux_capability_h], [linux/capability.h header file])
 AM_CONDITIONAL([BUILD_UNSHARE], [test "x$build_unshare" = xyes])
 AC_CHECK_FUNCS([unshare])
 
@@ -1384,10 +1410,23 @@ AC_ARG_ENABLE([setpriv],
 )
 UL_BUILD_INIT([setpriv])
 UL_REQUIRES_LINUX([setpriv])
-UL_REQUIRES_HAVE([setpriv], [linux_securebits_h], [securebits.h header file])
+UL_REQUIRES_HAVE([setpriv], [linux_securebits_h], [linux/securebits.h header file])
+UL_REQUIRES_HAVE([setpriv], [linux_capability_h], [linux/capability.h header file])
 UL_REQUIRES_HAVE([setpriv], [cap_ng], [libcap-ng library])
 AM_CONDITIONAL([BUILD_SETPRIV], [test "x$build_setpriv" = xyes])
 
+PKG_CHECK_MODULES([PCRE], [libpcre2-8], [have_pcre=yes], [have_pcre=no])
+AS_IF([test "x$have_pcre" = xyes ], [
+    AC_DEFINE([HAVE_PCRE], [1], [Define if libpcre2 is available])
+])
+AM_CONDITIONAL([HAVE_PCRE], [test "x$have_pcre" = xyes])
+
+AC_ARG_ENABLE([hardlink],
+  AS_HELP_STRING([--disable-hardlink], [do not build hardlink]),
+  [], [UL_DEFAULT_ENABLE([hardlink], [check])]
+)
+UL_BUILD_INIT([hardlink])
+AM_CONDITIONAL([BUILD_HARDLINK], [test "x$build_hardlink" = xyes])
 
 AC_ARG_ENABLE([eject],
   AS_HELP_STRING([--disable-eject], [do not build eject]),
@@ -1415,7 +1454,7 @@ AS_IF([test "x$have_futimens" = xyes -a "x$have_inotify_init1" = xyes ], [
 
 
 AC_ARG_ENABLE([plymouth_support],
-  AS_HELP_STRING([--disable-plymouth_support], [don not care about plymouth in sylogin(8) and agetty(8)]),
+  AS_HELP_STRING([--disable-plymouth_support], [do not care about plymouth in sylogin(8) and agetty(8)]),
   [], [enable_plymouth_support=check]
 )
 UL_BUILD_INIT([plymouth_support])
@@ -1482,6 +1521,18 @@ UL_BUILD_INIT([hwclock])
 UL_REQUIRES_HAVE([hwclock], [io, linuxdummy], [ioperm iopl function or Linux])
 AM_CONDITIONAL([BUILD_HWCLOCK], [test "x$build_hwclock" = xyes])
 
+AC_ARG_ENABLE([hwclock_cmos],
+  AS_HELP_STRING([--disable-hwclock-cmos], [do not use CMOS clock]),
+  [], [enable_hwclock_cmos=check]
+)
+UL_BUILD_INIT([hwclock_cmos])
+UL_REQUIRES_BUILD([hwclock_cmos], [hwclock])
+UL_REQUIRES_ARCH([hwclock_cmos], [i?86-*,x86_64*])
+AM_CONDITIONAL([USE_HWCLOCK_CMOS], [test "x$build_hwclock_cmos" = xyes])
+AS_IF([test "x$build_hwclock_cmos" = xyes ], [
+    AC_DEFINE([USE_HWCLOCK_CMOS], [1], [Define to 1 if want to use CMOS clock.])
+])
+
 
 UL_BUILD_INIT([mkfs], [yes])
 AM_CONDITIONAL([BUILD_MKFS], [test "x$build_mkfs" = xyes])
@@ -1628,6 +1679,7 @@ AC_ARG_ENABLE([switch_root],
 UL_BUILD_INIT([switch_root])
 UL_REQUIRES_LINUX([switch_root])
 UL_REQUIRES_HAVE([switch_root], [openat], [openat function])
+UL_REQUIRES_HAVE([switch_root], [dirfd,ddfd], [dirfd or ddfd function])
 AM_CONDITIONAL([BUILD_SWITCH_ROOT], [test "x$build_switch_root" = xyes])
 
 
@@ -1642,7 +1694,7 @@ AM_CONDITIONAL([BUILD_PIVOT_ROOT], [test "x$build_pivot_root" = xyes])
 
 
 UL_BUILD_INIT([flock], [check])
-UL_REQUIRES_HAVE([flock], [timer], [timer_create function])
+UL_REQUIRES_HAVE([flock], [timer], [timer_create/setitimer function])
 AM_CONDITIONAL([BUILD_FLOCK], [test "x$build_flock" = xyes])
 
 
@@ -1874,6 +1926,7 @@ AC_ARG_ENABLE([newgrp],
   [], [UL_DEFAULT_ENABLE([newgrp], [no])]
 )
 UL_BUILD_INIT([newgrp])
+UL_REQUIRES_HAVE([newgrp], [crypt], [crypt function])
 AM_CONDITIONAL([BUILD_NEWGRP], [test "x$build_newgrp" = xyes])
 
 
@@ -1970,6 +2023,7 @@ AC_ARG_ENABLE([sulogin],
   [], [UL_DEFAULT_ENABLE([sulogin], [check])]
 )
 UL_BUILD_INIT([sulogin])
+UL_REQUIRES_HAVE([sulogin], [crypt], [crypt function])
 UL_REQUIRES_HAVE([sulogin], [shadow_h], [shadow.h header])
 AM_CONDITIONAL([BUILD_SULOGIN], [test "x$build_sulogin" = xyes])
 
@@ -2417,6 +2471,7 @@ AC_MSG_RESULT([
        suid cflags:       ${SUID_CFLAGS}
        ldflags:           ${LDFLAGS}
        suid ldflags:      ${SUID_LDFLAGS}
+       ASAN enabled:      ${enable_asan}
 
        Python:            ${PYTHON}
        Python version:    ${PYTHON_VERSION}