From da003219abf27766aec78013d5036e08fef76a58 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Mon, 13 May 2019 22:57:51 +0200
Subject: Add tests for headers etc

---
 meson.build | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 53 insertions(+), 9 deletions(-)

diff --git a/meson.build b/meson.build
index 106aa030..8163dd9f 100644
--- a/meson.build
+++ b/meson.build
@@ -23,7 +23,7 @@ gtkspell = dependency('gtkspell-2.0', required : false)
 aspell = dependency('aspell', required : false)
 enchant = dependency('enchant', required : false)
 oniguruma = dependency('oniguruma', required : false)
-
+# Compface check is further down
 
 # Suppress some compiler warnings (for now)
 
@@ -85,6 +85,16 @@ if oniguruma.found()
   add_project_arguments('-DUSE_ONIGURUMA', language : 'c')
 endif
 
+if compiler.has_header('compface.h')
+  conf_data.set('HAVE_LIBCOMPFACE', 1)
+  compface_link_args = ['-lcompface']
+else
+  compface_link_args = []
+endif
+
+compface = declare_dependency(compile_args : [],
+                              link_args : compface_link_args)
+
 if compiler.has_header('sys/wait.h')
   conf_data.set('HAVE_SYS_WAIT_H', 1)
 endif
@@ -101,6 +111,33 @@ if compiler.has_header('sys/utsname.h')
   conf_data.set('HAVE_SYS_UTSNAME_H', 1)
 endif
 
+if compiler.has_header('alloca.h')
+  conf_data.set('HAVE_ALLOCA_H', 1)
+endif
+
+if compiler.has_header('paths.h')
+  conf_data.set('HAVE_PATHS_H', 1)
+endif
+
+if compiler.has_header('locale.h')
+  conf_data.set('HAVE_LOCALE_H', 1)
+endif
+
+if compiler.has_header('sys/mman.h')
+  conf_data.set('HAVE_SYS_MMAN_H', 1)
+endif
+
+if compiler.has_header('lockfile.h')
+  conf_data.set('HAVE_LOCKFILE_H', 1)
+  conf_data.set('HAVE_LIBLOCKFILE', 1)
+  lockfile_link_args = ['-llockfile']
+else
+  lockfile_link_args = []
+endif
+
+lockfile = declare_dependency(compile_args : [],
+                              link_args : lockfile_link_args)
+
 if compiler.has_header('regex.h')
   conf_data.set('HAVE_REGEX_H', 1)
 endif
@@ -109,14 +146,21 @@ if compiler.has_function('regcomp', prefix : '#include <regex.h>')
   conf_data.set('HAVE_REGCOMP', 1)
 endif
 
-if compiler.has_header('compface.h')
-  conf_data.set('HAVE_LIBCOMPFACE', 1)
-  compface_link_args = ['-lcompface']
-else
-  compface_link_args = []
+if compiler.has_function('lockf', prefix : '#include <unistd.h>')
+  conf_data.set('HAVE_LOCKF', 1)
+endif
+
+if compiler.has_function('flock', prefix : '#include <sys/file.h>')
+  conf_data.set('HAVE_FLOCK', 1)
+endif
+
+if compiler.has_function('mlock', prefix : '#include <sys/mman.h>')
+  conf_data.set('HAVE_MLOCK', 1)
+endif
+
+if compiler.has_function('truncate', prefix : '#include <unistd.h>\n#include <sys/types.h>')
+  conf_data.set('HAVE_TRUNCATE', 1)
 endif
-compface = declare_dependency(compile_args : [],
-                              link_args : compface_link_args)
 
 configure_file(output : 'config.h',
                configuration : conf_data)
@@ -186,7 +230,7 @@ libsylph = library('sylph',
                     'libsylph/virtual.c',
                     'libsylph/xml.c'],
 		   include_directories : libsylph_includes,
-                   dependencies : [glib, gobject, openssl, oniguruma],
+                   dependencies : [glib, gobject, openssl, oniguruma, lockfile],
                    install : true)
 
 libsylph_dep = declare_dependency(include_directories : libsylph_includes,
-- 
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