core: set CMake minimum version required to 3.0

This is required for add_library() with INTERFACE library type.

6 files changed, 6 insertions, 6 deletions

diff --git a/doc/de/weechat_user.de.adoc b/doc/de/weechat_user.de.adoc
index ca7bf58be..1907f16cc 100644
--- a/doc/de/weechat_user.de.adoc
+++ b/doc/de/weechat_user.de.adoc
@@ -104,7 +104,7 @@ zu kompilieren und welche Pakete optional genutzt werden können.
 | C compiler
   (gcc, clang, ...)      |               | *ja*     | zum Erstellen der Binärdatei.
 | C++ compiler           |               |          | zum Erstellen der Binärdatei und um Test auszuführen, JavaScript Erweiterung.
-| cmake                  |               | *ja*     | zum kompilieren (autotools ist möglich. cmake wird aber empfohlen).
+| cmake                  | ≥ 3.0         | *ja*     | zum kompilieren (autotools ist möglich. cmake wird aber empfohlen).
 | pkg-config             |               | *ja*     | entdeckt installierte Bibliotheken.
 | libncursesw5-dev ^(2)^ |               | *ja*     | Ncurses Oberfläche.
 | libcurl4-gnutls-dev    |               | *ja*     | URL Transfer.
diff --git a/doc/en/weechat_user.en.adoc b/doc/en/weechat_user.en.adoc
index 350e08f10..57e09bf58 100644
--- a/doc/en/weechat_user.en.adoc
+++ b/doc/en/weechat_user.en.adoc
@@ -98,7 +98,7 @@ compile WeeChat.
 | C compiler
   (gcc, clang, ...)      |               | *yes*    | Build.
 | C++ compiler           |               |          | Build and run tests, JavaScript plugin.
-| cmake                  |               | *yes*    | Build (autotools still possible, but cmake is recommended).
+| cmake                  | ≥ 3.0         | *yes*    | Build (autotools still possible, but cmake is recommended).
 | pkg-config             |               | *yes*    | Detect installed libraries.
 | libncursesw5-dev ^(2)^ |               | *yes*    | Ncurses interface.
 | libcurl4-gnutls-dev    |               | *yes*    | URL transfer.
diff --git a/doc/fr/weechat_user.fr.adoc b/doc/fr/weechat_user.fr.adoc
index 9c1015c57..c0a6e5514 100644
--- a/doc/fr/weechat_user.fr.adoc
+++ b/doc/fr/weechat_user.fr.adoc
@@ -101,7 +101,7 @@ compiler WeeChat.
 | compilateur C
   (gcc, clang, ...)      |               | *oui*  | Construction.
 | compilateur C++        |               |        | Construction et lancement des tests, extension JavaScript.
-| cmake                  |               | *oui*  | Construction (autotools toujours possible, mais cmake est recommandé).
+| cmake                  | ≥ 3.0         | *oui*  | Construction (autotools toujours possible, mais cmake est recommandé).
 | pkg-config             |               | *oui*  | Détection des bibliothèques installées.
 | libncursesw5-dev ^(2)^ |               | *oui*  | Interface ncurses.
 | libcurl4-gnutls-dev    |               | *oui*  | Transfert d'URL.
diff --git a/doc/it/weechat_user.it.adoc b/doc/it/weechat_user.it.adoc
index d6d507c4d..7438050f7 100644
--- a/doc/it/weechat_user.it.adoc
+++ b/doc/it/weechat_user.it.adoc
@@ -116,7 +116,7 @@ compilare WeeChat.
   (gcc, clang, ...)      |               | *sì*      | Build.
 // TRANSLATION MISSING
 | C++ compiler           |               |           | Build and run tests, plugin JavaScript.
-| cmake                  |               | *sì*      | Compilazione (ancora possibile con autotools, ma si raccomanda cmake).
+| cmake                  | ≥ 3.0         | *sì*      | Compilazione (ancora possibile con autotools, ma si raccomanda cmake).
 // TRANSLATION MISSING
 | pkg-config             |               | *sì*      | Detect installed libraries.
 | libncursesw5-dev ^(2)^ |               | *sì*      | Interfaccia ncurses.
diff --git a/doc/ja/weechat_user.ja.adoc b/doc/ja/weechat_user.ja.adoc
index 64cafed7b..d06515c71 100644
--- a/doc/ja/weechat_user.ja.adoc
+++ b/doc/ja/weechat_user.ja.adoc
@@ -103,7 +103,7 @@ macOS では https://brew.sh/[Homebrew] を使ってください:
 | C コンパイラ
   (gcc, clang, ...)      |                  | *必須* | ビルド
 | C++ コンパイラ         |                  |        | ビルドとテストの実行、JavaScript プラグイン
-| cmake                  |                  | *必須* | ビルド (autotools でも可能ですが、cmake を推奨します)
+| cmake                  | ≥ 3.0            | *必須* | ビルド (autotools でも可能ですが、cmake を推奨します)
 | pkg-config             |                  | *必須* | インストール済みライブラリを検出
 | libncursesw5-dev ^(2)^ |                  | *必須* | ncurses インターフェース
 | libcurl4-gnutls-dev    |                  | *必須* | URL 転送
diff --git a/doc/pl/weechat_user.pl.adoc b/doc/pl/weechat_user.pl.adoc
index eb2590a0d..2da45acbf 100644
--- a/doc/pl/weechat_user.pl.adoc
+++ b/doc/pl/weechat_user.pl.adoc
@@ -104,7 +104,7 @@ WeeChat.
 | kompilator C
   (gcc, clang, ...)      |               | *tak*    | Kompilacja.
 | kompilator C++         |               |          | Kompilacja i uruchamianie testów, wtyczka JavaScript.
-| cmake                  |               | *tak*    | Kompilacja (możliwe jest użycie autotools, jednak cmake jest zalecany).
+| cmake                  | ≥ 3.0         | *tak*    | Kompilacja (możliwe jest użycie autotools, jednak cmake jest zalecany).
 | pkg-config             |               | *tak*    | Wykrywa zainstalowane biblioteki.
 | libncursesw5-dev ^(2)^ |               | *tak*    | Interfejs ncurses.
 | libcurl4-gnutls-dev    |               | *tak*    | Transfer URL.