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authorLudovic Courtès <ludo@gnu.org>2015-10-06 22:09:40 +0200
committerLudovic Courtès <ludo@gnu.org>2015-10-06 23:51:04 +0200
commitdd01fecd23a4ded46b99a51dc08ac5d964dbcd53 (patch)
tree7935564290df6b3a828d1e8a7f4eecb7c58392f8
parent04d1ab3bf5394ae229161669e9717d76d483e7aa (diff)
downloadpatches-dd01fecd23a4ded46b99a51dc08ac5d964dbcd53.tar
patches-dd01fecd23a4ded46b99a51dc08ac5d964dbcd53.tar.gz
build: Automatically determine libgcrypt's file name.
* m4/guix.m4 (GUIX_LIBGCRYPT_LIBDIR): New macro. * configure.ac: Use it when no --with-libgcrypt-* option was passed. * README: Do not recommend --with-libgcrypt-prefix. Co-authored-by: 宋文武 <iyzsong@gmail.com>
-rw-r--r--README1
-rw-r--r--configure.ac31
-rw-r--r--m4/guix.m415
3 files changed, 32 insertions, 15 deletions
diff --git a/README b/README
index df528222e9..f05a4b5615 100644
--- a/README
+++ b/README
@@ -59,7 +59,6 @@ To do so:
guix environment guix
- Re-run the 'configure' script passing it the option
- '--with-libgcrypt-prefix=$HOME/.guix-profile/', as well as
'--localstatedir=/somewhere', where '/somewhere' is the 'localstatedir'
value of the currently installed Guix (failing to do that would lead the
new Guix to consider the store to be empty!).
diff --git a/configure.ac b/configure.ac
index 1cfe876232..38e9ec56b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,23 +132,21 @@ else
AC_MSG_RESULT([not found])
fi
+LIBGCRYPT="libgcrypt"
+LIBGCRYPT_LIBDIR="no"
+LIBGCRYPT_PREFIX="no"
+
AC_ARG_WITH([libgcrypt-prefix],
[AS_HELP_STRING([--with-libgcrypt-prefix=DIR], [search for GNU libgcrypt in DIR])],
[case "$withval" in
yes|no)
- LIBGCRYPT="libgcrypt"
- LIBGCRYPT_PREFIX="no"
- LIBGCRYPT_LIBDIR="no"
;;
*)
LIBGCRYPT="$withval/lib/libgcrypt"
LIBGCRYPT_PREFIX="$withval"
LIBGCRYPT_LIBDIR="$withval/lib"
;;
- esac],
- [LIBGCRYPT="libgcrypt"
- LIBGCRYPT_PREFIX="no"
- LIBGCRYPT_LIBDIR="no"])
+ esac])
AC_ARG_WITH([libgcrypt-libdir],
[AS_HELP_STRING([--with-libgcrypt-libdir=DIR],
@@ -162,13 +160,18 @@ AC_ARG_WITH([libgcrypt-libdir],
LIBGCRYPT="$withval/libgcrypt"
LIBGCRYPT_LIBDIR="$withval"
;;
- esac],
- [if test "x$LIBGCRYPT" = x; then
- LIBGCRYPT="libgcrypt"
- fi
- if test "x$LIBGCRYPT_LIBDIR" = x; then
- LIBGCRYPT_LIBDIR="no"
- fi])
+ esac])
+
+dnl If none of the --with-libgcrypt-* options was used, try to determine the
+dnl absolute file name of libgcrypt.so.
+case "x$LIBGCRYPT_PREFIX$LIBGCRYPT_LIBDIR" in
+ xnono)
+ GUIX_LIBGCRYPT_LIBDIR([LIBGCRYPT_LIBDIR])
+ if test "x$LIBGCRYPT_LIBDIR" != x; then
+ LIBGCRYPT="$LIBGCRYPT_LIBDIR/libgcrypt"
+ fi
+ ;;
+esac
dnl Library name suitable for `dynamic-link'.
AC_MSG_CHECKING([for libgcrypt shared library name])
diff --git a/m4/guix.m4 b/m4/guix.m4
index 2113383770..d464a478ca 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -270,3 +270,18 @@ AC_DEFUN([GUIX_CHECK_LIBC_MOUNT], [
guix_cv_libc_has_mount="no"
fi])
])
+
+dnl GUIX_LIBGCRYPT_LIBDIR VAR
+dnl
+dnl Attempt to determine libgcrypt's LIBDIR; store the result in VAR.
+AC_DEFUN([GUIX_LIBGCRYPT_LIBDIR], [
+ AC_PATH_PROG([LIBGCRYPT_CONFIG], [libgcrypt-config])
+ AC_CACHE_CHECK([libgcrypt's library directory],
+ [guix_cv_libgcrypt_libdir],
+ [if test "x$LIBGCRYPT_CONFIG" != "x"; then
+ guix_cv_libgcrypt_libdir=`$LIBGCRYPT_CONFIG --libs | sed -e "s/.*-L\([[^ ]]\+\)[[[:blank:]]]\+-lgcrypt.*/\1/g"`
+ else
+ guix_cv_libgcrypt_libdir=""
+ fi])
+ $1="$guix_cv_libgcrypt_libdir"
+])