diff --git a/srcpkgs/sympow/files/test b/srcpkgs/sympow/files/test
new file mode 100644
index 0000000000..5892937085
--- /dev/null
+++ b/srcpkgs/sympow/files/test
@@ -0,0 +1,51 @@
+#! /bin/sh
+
+# Quick minimal test for sympow
+#
+# Compute modular degree and analytic rank for some curves so we check
+# that it works and also that fpu arithmetic and output are ok
+
+# setup sympow to run from cwd
+export SYMPOW_PKGDATADIR=.
+export SYMPOW_PKGLIBDIR=.
+mkdir -p sympow_cache
+export SYMPOW_CACHEDIR=sympow_cache
+
+E11a=[0,-1,1,-10,-20]
+E37a=[0,0,1,-1,0]
+E389a=[0,1,1,-2,0]
+E5077a=[0,0,1,-7,6]
+E4=[1,-1,0,-79,289]
+E5=[0,0,1,-79,342]
+E6=[1,1,0,-2582,48720]
+E7=[0,0,0,-10012,346900]
+
+echo "### Compute modular degree for some curves"
+echo "# 11a"
+./sympow -quiet -curve $E11a -moddeg
+echo "# 37a"
+./sympow -quiet -curve $E37a -moddeg
+echo "# 389a"
+./sympow -quiet -curve $E389a -moddeg
+echo "# 5077a"
+./sympow -quiet -curve $E5077a -moddeg
+echo "# 234446a"
+./sympow -quiet -curve $E4 -moddeg
+
+echo "### Compute analytic rank for some curves"
+echo "# 11a"
+./sympow -quiet -curve $E11a -analrank
+echo "# 37a"
+./sympow -quiet -curve $E37a -analrank
+echo "# 389a"
+./sympow -quiet -curve $E389a -analrank
+echo "# 5077a"
+./sympow -quiet -curve $E5077a -analrank
+echo "# 234446a"
+./sympow -quiet -curve $E4 -analrank
+echo "# curve of rank 5"
+./sympow -quiet -curve $E5 -analrank
+echo "# curve of rank 6"
+./sympow -quiet -curve $E6 -analrank
+echo "# curve of rank 7"
+./sympow -quiet -curve $E7 -analrank
diff --git a/srcpkgs/sympow/files/test.out b/srcpkgs/sympow/files/test.out
new file mode 100644
index 0000000000..b95c574941
--- /dev/null
+++ b/srcpkgs/sympow/files/test.out
@@ -0,0 +1,54 @@
+### Compute modular degree for some curves
+# 11a
+Minimal model of curve  is [0,-1,1,-10,-20]
+Maximal number of terms is 14
+Modular Degree is 1
+# 37a
+Minimal model of curve  is [0,0,1,-1,0]
+Maximal number of terms is 48
+Modular Degree is 2
+# 389a
+Minimal model of curve  is [0,1,1,-2,0]
+Maximal number of terms is 512
+Modular Degree is 40
+# 5077a
+Minimal model of curve  is [0,0,1,-7,6]
+Maximal number of terms is 8130
+Modular Degree is 1984
+# 234446a
+Minimal model of curve  is [1,-1,0,-79,289]
+Maximal number of terms is 518272
+Modular Degree is 334976
+### Compute analytic rank for some curves
+# 11a
+Minimal model of curve  is [0,-1,1,-10,-20]
+Maximal number of terms is 7
+Analytic Rank is 0 : L-value 2.53842e-01
+# 37a
+Minimal model of curve  is [0,0,1,-1,0]
+Maximal number of terms is 10
+Analytic Rank is 1 : L'-value 3.06000e-01
+# 389a
+Minimal model of curve  is [0,1,1,-2,0]
+Maximal number of terms is 43
+Analytic Rank is 2 : leading L-term 7.59317e-01
+# 5077a
+Minimal model of curve  is [0,0,1,-7,6]
+Maximal number of terms is 128
+Analytic Rank is 3 : leading L-term 1.73185e+00
+# 234446a
+Minimal model of curve  is [1,-1,0,-79,289]
+Maximal number of terms is 1064
+Analytic Rank is 4 : leading L-term 8.94385e+00
+# curve of rank 5
+Minimal model of curve  is [0,0,1,-79,342]
+Maximal number of terms is 7858
+Analytic Rank is 5 : leading L-term 3.02857e+01
+# curve of rank 6
+Minimal model of curve  is [1,1,0,-2582,48720]
+Maximal number of terms is 184767
+Analytic Rank is 6 : leading L-term 3.20781e+02
+# curve of rank 7
+Minimal model of curve  is [0,0,0,-10012,346900]
+Maximal number of terms is 1324544
+Analytic Rank is 7 : leading L-term 1.32517e+03
diff --git a/srcpkgs/sympow/patches/first-try-without-messing-the-fpucw.patch b/srcpkgs/sympow/patches/first-try-without-messing-the-fpucw.patch
new file mode 100644
index 0000000000..a7b17819b7
--- /dev/null
+++ b/srcpkgs/sympow/patches/first-try-without-messing-the-fpucw.patch
@@ -0,0 +1,14 @@
+--- a/Configure	2020-04-16 14:12:56.000000000 -0300
++++ b/Configure	2021-11-24 16:04:43.647041822 -0300
+@@ -154,10 +154,10 @@
+     try_add_CFLAG $FLAG bypass && break
+ done
+ 
+ # Select the most appropriate FPU control scheme
+-for FLAG in '-DISOC99_FENV' '-DFPUCONTROLH' '-Dx86'; do
++for FLAG in '' '-DISOC99_FENV' '-DFPUCONTROLH' '-Dx86'; do
+     try_add_CFLAG $FLAG && break
+ done
+ 
+ # Some flags to try as last resort.  These hurt performance, so only add
+ # them if needed.
diff --git a/srcpkgs/sympow/template b/srcpkgs/sympow/template
index d484cf847f..b81d2d4097 100644
--- a/srcpkgs/sympow/template
+++ b/srcpkgs/sympow/template
@@ -1,7 +1,7 @@
 # Template file for 'sympow'
 pkgname=sympow
 version=2.023.6
-revision=2
+revision=3
 wrksrc=${pkgname}-v${version}
 build_style=configure
 make_build_target=all
@@ -15,6 +15,8 @@ distfiles="https://gitlab.com/rezozer/forks/sympow/-/archive/v${version}/sympow-
 checksum=d153530dfdd46da05c954121640e50771064536fedc22c7fef24fb11083172ef
 nocross=yes # runs binaries built for target
 
+CFLAGS="-Wno-unused-result"
+
 do_configure() {
 	PREFIX=/usr ./Configure
 }
@@ -22,3 +24,9 @@ do_configure() {
 post_install() {
 	vlicense COPYING
 }
+
+do_check() {
+	echo "Testing sympow ..."
+	sh "${FILESDIR}"/test > test.log
+	diff "${FILESDIR}"/test.out test.log && echo PASS
+}