[cantarell-fonts] Pin dependencies

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit b3a118cfdb03c347badf1889aa66ac3b4230da33
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Wed Dec 19 21:20:26 2018 +0000

    Pin dependencies

 README.md        |  2 +-
 requirements.in  |  2 ++
 requirements.txt | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index cf0e86dc..2cb6cddc 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ python3 -m venv venv
 venv/Scripts/activate  # ...or on Windows cmd.exe or PowerShell
 
 pip3 install meson ninja  # Unless already present on system.
-pip3 install "fontmake>=1.6.1" psautohint "glyphslib>=3.0.3"
+pip3 install -r requirements.txt
 
 meson build
 ninja -C build install
diff --git a/requirements.in b/requirements.in
new file mode 100644
index 00000000..cfaf733d
--- /dev/null
+++ b/requirements.in
@@ -0,0 +1,2 @@
+fontmake
+psautohint
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..4ec8a65f
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,23 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file requirements.txt requirements.in
+#
+appdirs==1.4.3            # via fs
+booleanoperations==0.8.2  # via fontmake, ufo2ft
+compreffor==0.4.6.post1   # via ufo2ft
+cu2qu==1.6.5              # via fontmake, ufo2ft
+defcon[lxml]==0.6.0       # via fontmake, glyphslib, mutatormath, ufo2ft
+fontmake==1.8.0
+fontmath==0.4.9           # via mutatormath
+fonttools[lxml,ufo,unicode]==3.34.2  # via booleanoperations, compreffor, cu2qu, defcon, fontmake, fontmath, 
glyphslib, mutatormath, psautohint, ufo2ft
+fs==2.1.2                 # via fonttools
+glyphslib==3.1.4          # via fontmake
+lxml==4.2.5               # via fonttools
+mutatormath==2.1.2        # via fontmake
+psautohint==1.9.1
+pyclipper==1.1.0.post1    # via booleanoperations
+pytz==2018.7              # via fs
+six==1.12.0               # via fs
+ufo2ft==2.5.0             # via fontmake