diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 10 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], |