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Add cmark dependency

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`cmark` is a more robust library for constructing Markdown than
`lowdown`. It is also more portable. Unfortunately it doesn't have a
terminal mode, so we cannot get rid of lowdown yet.

The `--enable-markdown` flag is renamed to `--enable-lowdown`
accordingly.
This commit is contained in:
John Ericson 2024-01-15 13:21:38 -05:00
parent dbcd4cd6ba
commit d17d358d10
4 changed files with 16 additions and 10 deletions
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13
configure.ac
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@ -372,21 +372,24 @@ PKG_CHECK_MODULES([RAPIDCHECK], [rapidcheck rapidcheck_gtest])
PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
# Look for cmark library.
PKG_CHECK_MODULES([CMARK], [libcmark], [CXXFLAGS="$CMARK_CFLAGS $CXXFLAGS"])
# Look for lowdown library.
AC_ARG_ENABLE([markdown], AS_HELP_STRING([--enable-markdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
enable_markdown=$enableval, enable_markdown=auto)
AS_CASE(["$enable_markdown"],
AC_ARG_ENABLE([lowdown], AS_HELP_STRING([--enable-lowdown], [Enable Markdown rendering in the Nix binary (requires lowdown) [default=auto]]),
enable_lowdown=$enableval, enable_lowdown=auto)
AS_CASE(["$enable_lowdown"],
[yes | auto], [
PKG_CHECK_MODULES([LOWDOWN], [lowdown >= 0.9.0], [
CXXFLAGS="$LOWDOWN_CFLAGS $CXXFLAGS"
have_lowdown=1
AC_DEFINE(HAVE_LOWDOWN, 1, [Whether lowdown is available and should be used for Markdown rendering.])
], [
AS_IF([test "x$enable_markdown" == "xyes"], [AC_MSG_ERROR([--enable-markdown was specified, but lowdown was not found.])])
AS_IF([test "x$enable_lowdown" == "xyes"], [AC_MSG_ERROR([--enable-lowdown was specified, but lowdown was not found.])])
])
],
[no], [have_lowdown=],
[AC_MSG_ERROR([bad value "$enable_markdown" for --enable-markdown, must be one of: yes, no, auto])])
[AC_MSG_ERROR([bad value "$enable_lowdown" for --enable-lowdown, must be one of: yes, no, auto])])
# Look for libgit2.