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