Upstream-status: https://sourceforge.net/p/freesolid/patches/1/

Resolve Autoconf warnings.

diff --git a/Makefile.am b/Makefile.am
index 4914f44..77b157a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,5 @@
+ACLOCAL_AMFLAGS = -I m4
 SUBDIRS = libmoto libbroad libsolid sample doc
 
 EXTRA_DIST = include
-bin_SCRIPTS = freesolid-config
\ No newline at end of file
+bin_SCRIPTS = freesolid-config
diff --git a/configure.in b/configure.in
index 7d61ba5..41a761c 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(sample/sample.cpp)
+AC_CONFIG_MACRO_DIR([m4])
 
 AC_CANONICAL_SYSTEM
 PACKAGE=FreeSOLID
@@ -22,17 +23,14 @@ AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_RANLIB
 AC_PROG_LIBTOOL
 
 CPPFLAGS="$CPPFLAGS -I../include -I./include -I. -I../libbroad -I../libmoto"
 AC_SUBST(CPPFLAGS)
 
 dnl Checks for libraries.
-dnl Replace `main' with a function in -lm:
-AC_CHECK_LIB(m, main)
-dnl Replace `main' with a function in -lqhull:
-AC_CHECK_LIB(qhull, main, s_have_qhull=yes)
+AC_CHECK_LIB(m, ceil)
+AC_CHECK_LIB(qhull, qh_initbuild, s_have_qhull=yes)
 
 if test "X${s_have_qhull}" = Xyes; then
   QHULL_LIBS="-lqhull"
diff --git a/libsolid/Makefile.am b/libsolid/Makefile.am
index cc295c7..f722be3 100644
--- a/libsolid/Makefile.am
+++ b/libsolid/Makefile.am
@@ -23,7 +23,7 @@ libFreeSOLID_la_SOURCES = \
 
 libFreeSOLID_la_LDFLAGS = -no-undefined -version-info @FREESOLID_CURRENT@:@FREESOLID_REVISION@:@FREESOLID_AGE@ -release @VERSION@
 
-CPPFLAGS = @CPPFLAGS@
+AM_CPPFLAGS = @CPPFLAGS@
 LIBS = @QHULL_LIBS@ -lm
 
 pkginclude_HEADERS = \
diff --git a/sample/Makefile.am b/sample/Makefile.am
index 5559fb0..eaa705f 100644
--- a/sample/Makefile.am
+++ b/sample/Makefile.am
@@ -4,7 +4,7 @@ sample_SOURCES = sample.cpp
 x_wing_SOURCES = x_wing.cpp
 teapot_SOURCES = teapot.cpp
 
-CPPFLAGS = @CPPFLAGS@
+AM_CPPFLAGS = @CPPFLAGS@
 
 LDADD = ../libsolid/libFreeSOLID.la
 
/table>
<div class='path'>path: <a href='/guix/log/?id=f3d3726e44cc0dc1678bdb97cffe3b9c6ad8f513'>root</a>/<a href='/guix/log/tests?id=f3d3726e44cc0dc1678bdb97cffe3b9c6ad8f513'>tests</a>/<a href='/guix/log/tests/accounts.scm?id=f3d3726e44cc0dc1678bdb97cffe3b9c6ad8f513'>accounts.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/accounts.scm?id=f3d3726e44cc0dc1678bdb97cffe3b9c6ad8f513&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-08-28 00:27:14 +0200'>2019-08-28</span></td><td><a href='/guix/commit/tests/accounts.scm?id=dd4e46edda6c255ca170a6650c6f92b16ff50a3f'>accounts: Delete duplicate entries.</a><span class='msg-avail'>...<span class='msg-tooltip'>When adding multiple instances of a service requiring some user
account/group, we could end up with multiple entries for that account or
group in /etc/passwd or /etc/group.

* gnu/build/accounts.scm (database-writer)[write-entries]: Add call to
'delete-duplicates'.
* tests/accounts.scm ("write-passwd with duplicate entry"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-27 16:30:40 +0200'>2019-04-27</span></td><td><a href='/guix/commit/tests/accounts.scm?id=0c329bf4b0c00abdc9a7d9c818d36d4d60b3005d'>tests: Adjust accounts test to shell-as-config change.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 504a0fc636ec591e65b4a229a37e522e425d8a0c.

* tests/accounts.scm ("allocate-passwd with previous state"): Change
expected 'shell' for "alice" to "/bin/sh".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-25 23:37:06 +0100'>2019-03-25</span></td><td><a href='/guix/commit/tests/accounts.scm?id=cf848cc0a17a3a58d600116896f6e7abfb0440d4'>accounts: Add default value for the 'home-directory' field of &lt;user-account&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/accounts.scm (&lt;user-account&gt;)[home-directory]: Mark as
thunked and add a default value.
(default-home-directory): New procedure.
* doc/guix.texi (User Accounts): Remove 'home-directory' from example.
* gnu/system/examples/bare-bones.tmpl: Likewise.
* gnu/system/examples/beaglebone-black.tmpl: Likewise.
* gnu/system/examples/desktop.tmpl: Likewise.
* gnu/system/examples/docker-image.tmpl: Likewise.
* gnu/system/examples/lightweight-desktop.tmpl: Likewise.
* gnu/system/install.scm (installation-os): Likewise.
* gnu/tests.scm (%simple-os): Likewise.
* gnu/tests/install.scm (%minimal-os, %minimal-os-on-vda):
(%separate-home-os, %encrypted-root-os, %btrfs-root-os): Likewise.
* tests/accounts.scm ("allocate-passwd")
("allocate-passwd with previous state"): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-07 20:05:09 +0100'>2019-03-07</span></td><td><a href='/guix/commit/tests/accounts.scm?id=ec600e4544729f1aaf46fa5162bba334515d0de5'>Add (gnu build accounts).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/accounts.scm, tests/accounts.scm: New files.
* Makefile.am (SCM_TESTS): Add tests/accounts.scm.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add build/accounts.scm.
</span></span></td><td>Ludovic Courtès</td></tr>