diff --git a/index/gn/gnatcoll.toml b/index/gn/gnatcoll.toml
index e95ace81..e76e091f 100644
--- a/index/gn/gnatcoll.toml
+++ b/index/gn/gnatcoll.toml
@@ -27,7 +27,10 @@ maintainers-logins = ["pmderodat"]
 [2018]
 origin = "http://mirrors.cdn.adacore.com/art/5b0819dfc7a447df26c27a99"
 archive-name = "gnatcoll-core-gpl-2018-20180524-src.tar.gz"
-origin-hashes = ["sha512:bf6082573dc537836ea8506a2c9a75dc7837440c35c5b02a52add52e38290d99e90a9706690591f8899b8b4935824b195f230b3aa1c4da10911e3caf954c04ac"]
+origin-hashes = ["""\
+    sha512:bf6082573dc537836ea8506a2c9a75dc7837440c35c5b02a52add52e38290d99e90\
+    a9706690591f8899b8b4935824b195f230b3aa1c4da10911e3caf954c04ac\
+"""]
 project-files = ["gnatcoll-core-gpl-2018-src/gnatcoll.gpr"]
 
     [2018.available.'case(compiler)']
@@ -35,9 +38,13 @@ project-files = ["gnatcoll-core-gpl-2018-src/gnatcoll.gpr"]
     '...' = false
 
 [2019]
-origin = "https://community.download.adacore.com/v1/99ea2dc09e018deb14f15c00e8c4b7b21f94c94f?filename="
+origin = """https://community.download.adacore.com/v1/\
+            99ea2dc09e018deb14f15c00e8c4b7b21f94c94f?filename="""
 archive-name = "gnatcoll-core-2019-20190515-24AD8-src.tar.gz"
-origin-hashes = ["sha512:9b2101448b96ac46cebada1fe3cb7b583cbf296f9b7d627771e83c56c78ce72c50ede5474f64f16feba252a18fd46b473901820766902b0c68d63beaf55a884a"]
+origin-hashes = ["""\
+    sha512:9b2101448b96ac46cebada1fe3cb7b583cbf296f9b7d627771e83c56c78ce72c50e\
+    de5474f64f16feba252a18fd46b473901820766902b0c68d63beaf55a884a\
+"""]
 project-files = ["gnatcoll.gpr"]
 
     [2019.available.'case(compiler)']
diff --git a/index/gn/gnatcoll_gmp.toml b/index/gn/gnatcoll_gmp.toml
new file mode 100644
index 00000000..e4c0c690
--- /dev/null
+++ b/index/gn/gnatcoll_gmp.toml
@@ -0,0 +1,40 @@
+[general]
+description = "GNAT Components Collection - Bindings to GMP"
+licenses = ["GPL 3.0"]
+authors = ["AdaCore"]
+maintainers = ["derodat@adacore.com"]
+maintainers-logins = ["pmderodat"]
+
+project-files = ["gmp/gnatcoll_gmp.gpr"]
+
+    [general.gpr-externals]
+    BUILD = ["DEBUG", "PROD"]
+    LIBRARY_TYPE = ["relocatable", "static", "static-pic"]
+    GNATCOLL_VERSION = ""
+
+    [general.gpr-set-externals]
+    BUILD = "PROD"
+    LIBRARY_TYPE = "static-pic"
+
+[2019]
+origin = """https://community.download.adacore.com/v1/\
+            964ece4f78755a2fb3c1c84cec2c375cda66bd98?filename="""
+archive-name = "gnatcoll-bindings-2019-20190430-1928C-src.tar.gz"
+origin-hashes = ["""\
+    sha512:6db1d35a1cdf5188001084750f7aa32b193768f8c3dfb6d7db8a8314c745fc054b0\
+    a6d2234a6dd64c5acd4b1bafffa7ce7f1080bd51fbb8bc88edfcc855b7a48\
+"""]
+
+    [2019.available.'case(compiler)']
+    'gnat-fsf-9-0' = true
+    'gnat-fsf-9-1' = true
+    'gnat-fsf-9-2-or-newer' = true
+    'gnat-community-2019' = true
+    '...' = false
+
+    [2019.depends-on]
+    gnatcoll = "^2019"
+    libgmp = "^6.1"
+
+    [2019.gpr-set-externals]
+    GNATCOLL_VERSION = "2019"
diff --git a/index/gn/gnatcoll_iconv.toml b/index/gn/gnatcoll_iconv.toml
new file mode 100644
index 00000000..5750a7c5
--- /dev/null
+++ b/index/gn/gnatcoll_iconv.toml
@@ -0,0 +1,47 @@
+[general]
+description = "GNAT Components Collection - Bindings to libiconv"
+licenses = ["GPL 3.0"]
+authors = ["AdaCore"]
+maintainers = ["derodat@adacore.com"]
+maintainers-logins = ["pmderodat"]
+
+project-files = ["iconv/gnatcoll_iconv.gpr"]
+
+    [general.gpr-externals]
+    BUILD = ["DEBUG", "PROD"]
+    LIBRARY_TYPE = ["relocatable", "static", "static-pic"]
+    GNATCOLL_VERSION = ""
+    GNATCOLL_OS = ["windows", "unix", "osx"]
+    GNATCOLL_ICONV_OPT = ""
+
+    [general.gpr-set-externals]
+    BUILD = "PROD"
+    LIBRARY_TYPE = "static-pic"
+    GNATCOLL_ICONV_OPT = ""
+
+        [general.gpr-set-externals.'case(os)']
+        linux = { GNATCOLL_OS = "unix" }
+        macos = { GNATCOLL_OS = "osx" }
+        windows = { GNATCOLL_OS = "windows" }
+
+[2019]
+origin = """https://community.download.adacore.com/v1/\
+            964ece4f78755a2fb3c1c84cec2c375cda66bd98?filename="""
+archive-name = "gnatcoll-bindings-2019-20190430-1928C-src.tar.gz"
+origin-hashes = ["""\
+    sha512:6db1d35a1cdf5188001084750f7aa32b193768f8c3dfb6d7db8a8314c745fc054b0\
+    a6d2234a6dd64c5acd4b1bafffa7ce7f1080bd51fbb8bc88edfcc855b7a48\
+"""]
+
+    [2019.available.'case(compiler)']
+    'gnat-fsf-9-0' = true
+    'gnat-fsf-9-1' = true
+    'gnat-fsf-9-2-or-newer' = true
+    'gnat-community-2019' = true
+    '...' = false
+
+    [2019.depends-on]
+    gnatcoll = "^2019"
+
+    [2019.gpr-set-externals]
+    GNATCOLL_VERSION = "2019"
diff --git a/index/li/libgmp.toml b/index/li/libgmp.toml
new file mode 100644
index 00000000..9a869566
--- /dev/null
+++ b/index/li/libgmp.toml
@@ -0,0 +1,10 @@
+[general]
+description = "Multiprecision arithmetic library development files"
+licenses = []
+maintainers = ["derodat@adacore.com"]
+maintainers-logins = ["pmderodat"]
+
+['6.1.0']
+    ['6.1.0'.origin.'case(distribution)']
+    'debian|ubuntu' = "native:libgmp-dev"
+    '...' = ""