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| author | Niklas Hambüchen <mail@nh2.me> | 2019-07-01T16·31+0200 |
|---|---|---|
| committer | Niklas Hambüchen <mail@nh2.me> | 2019-07-03T02·32+0200 |
| commit | 1f97b16b1d9d93e083a4f1436ba002e073cbe379 (patch) | |
| tree | 2632ca704d438539425c1f1aef142ed86e56fa64 | |
| parent | 00a450026f71306bef6acc150af4aa5ffe75801c (diff) | |
autoconf: Work around editline not being found on Ubuntu 16.04.
And probably other Linux distributions with long-term support releases. Also update manual stating what version is needed; I checked that 1.14 is the oldest version with which current nix compiles, and added autoconf feature checks for some functions added in that release that nix uses.
| -rw-r--r-- | configure.ac | 11 | ||||
| -rw-r--r-- | doc/manual/installation/prerequisites-source.xml | 4 |
2 files changed, 14 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 426d3b674072..28be50575efa 100644 --- a/configure.ac +++ b/configure.ac @@ -171,7 +171,16 @@ PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19], [CXXFLAGS="$SQLITE3_CFLAGS $CX PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"]) # Look for editline, a required dependency. -PKG_CHECK_MODULES([EDITLINE], [libeditline], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"]) +# The the libeditline.pc file was added only in libeditline >= 1.15.2, +# see https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607, +# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for +# editline.h when the pkg-config approach fails. +PKG_CHECK_MODULES([EDITLINE], [libeditline], [CXXFLAGS="$EDITLINE_CFLAGS $CXXFLAGS"], [ + AC_CHECK_HEADERS([editline.h], [true], + [AC_MSG_ERROR([Nix requires libeditline; it was found neither via pkg-config nor its normal header.])]) + AC_SEARCH_LIBS([readline read_history], [editline], [], + [AC_MSG_ERROR([Nix requires libeditline; it was not found via pkg-config, but via its header, but required functions do not work. Maybe it is too old? >= 1.14 is required.])]) +]) # Look for libsodium, an optional dependency. PKG_CHECK_MODULES([SODIUM], [libsodium], diff --git a/doc/manual/installation/prerequisites-source.xml b/doc/manual/installation/prerequisites-source.xml index e87d0de21ef6..cbaa4d525274 100644 --- a/doc/manual/installation/prerequisites-source.xml +++ b/doc/manual/installation/prerequisites-source.xml @@ -62,6 +62,10 @@ 1.66.0 or higher. It can be obtained from the official web site <link xlink:href="https://www.boost.org/" />.</para></listitem> + <listitem><para>The <literal>editline</literal> library of version + 1.14.0 or higher. It can be obtained from the its repository + <link xlink:href="https://github.com/troglobit/editline" />.</para></listitem> + <listitem><para>The <command>xmllint</command> and <command>xsltproc</command> programs to build this manual and the man-pages. These are part of the <literal>libxml2</literal> and |