From fe1307512fb8892b5ceb3d884c793af8dbd4c16a Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Tue, 15 Jun 2021 07:13:56 +0200 Subject: [PATCH] configure.ac: fix build with libxcrypt and uclibc-ng Fix the following build failure with libxcrypt and uclibc-ng: ld: unix_chkpwd-passverify.o: in function `verify_pwd_hash': passverify.c:(.text+0xab4): undefined reference to `crypt_checksalt' Fixes: - http://autobuild.buildroot.org/results/65d68b7c9c7de1c7cb0f941ff9982f93a49a56f8 Signed-off-by: Fabrice Fontaine [Retrieved from: https://github.com/linux-pam/linux-pam/commit/fe1307512fb8892b5ceb3d884c793af8dbd4c16a] --- configure.ac | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/configure.ac b/configure.ac index 7a4b2e86..e9c57345 100644 --- a/configure.ac +++ b/configure.ac @@ -362,10 +362,18 @@ AC_SUBST(LIBAUDIT) AC_CHECK_HEADERS(crypt.h) BACKUP_LIBS=$LIBS -AC_SEARCH_LIBS([crypt],[crypt]) -case "$ac_cv_search_crypt" in - -l*) LIBCRYPT="$ac_cv_search_crypt" ;; - *) LIBCRYPT="" ;; +LIBCRYPT="" +AC_SEARCH_LIBS([crypt_gensalt_rn],[crypt]) +case "$ac_cv_search_crypt_gensalt_rn" in + -l*) LIBCRYPT="$ac_cv_search_crypt_gensalt_rn" ;; + no) AC_SEARCH_LIBS([crypt_r],[crypt]) + case "$ac_cv_search_crypt_r" in + -l*) LIBCRYPT="$ac_cv_search_crypt_r" ;; + no ) AC_SEARCH_LIBS([crypt],[crypt]) + case "$ac_cv_search_crypt" in + -l*) LIBCRYPT="$ac_cv_search_crypt" ;; + esac ;; + esac ;; esac AC_CHECK_FUNCS([crypt_r]) LIBS=$BACKUP_LIBS