diff --git a/dev-ada/gnatdoc/Manifest b/dev-ada/gnatdoc/Manifest
index 3fc25716aca81..3d5fecc8711ac 100644
--- a/dev-ada/gnatdoc/Manifest
+++ b/dev-ada/gnatdoc/Manifest
@@ -1,2 +1,3 @@
 DIST gnatdoc-25.0.0.tar.gz 179534 BLAKE2B c3441f91eec0cbbf87602a9c4c650cc651982668ef212810e3fc037f9389f939c5e6831ba6d57abdd66e91b3d17fe76916b99dfcd3c91a7a9f7e44fb1ea467fa SHA512 64814a48dfda70c9de7590061fb20960f99e07d9b9eadf4a5d97dd56e68fcb133a4d51f1c9c6d3c1f29d4c5bc2e7565e02305ed16968e4e37a42fd5374466ef3
 DIST gnatdoc-25.2.0.tar.gz 179706 BLAKE2B bc92ae16b8686729fa7d0c80845eda14365e1f2cf671f867d1b596e1af32b52ff735650245ff72ce162e4c858b141169679ff3639db00359b9526f9bbed9f7ae SHA512 feb9ef63f0250acde4eb8cacc1b4c7d05c0fbac9f46eac325a17162e30a76b34fc330739963f93c1899e0d2d49160c5429fedf5c0d848046de52cd38eef5d0a4
+DIST gnatdoc-26.0.0.tar.gz 226130 BLAKE2B 1ea465c4eb0d229808a5c4af99be7690c93eb25b425eaabb8eebeec46f4ae333cdef5f15e6901eac80c92cba25edcb05958a473b815b9315b4966b077064b335 SHA512 0a8945327e009f849bdb955520e6267b74c36e44511c89dae6ab365618e29517bb7f658029729c609c79ed044da6f52c52f91d283337926f5b07900c75540574
diff --git a/dev-ada/gnatdoc/gnatdoc-26.0.0.ebuild b/dev-ada/gnatdoc/gnatdoc-26.0.0.ebuild
new file mode 100644
index 0000000000000..73d95e80ecb1d
--- /dev/null
+++ b/dev-ada/gnatdoc/gnatdoc-26.0.0.ebuild
@@ -0,0 +1,75 @@
+# Copyright 2022-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{12..13} )
+ADA_COMPAT=( gcc_{14..15} )
+
+inherit ada python-single-r1 multiprocessing
+
+DESCRIPTION="GNAT Documentation Generation Tool"
+HOMEPAGE="https://github.com/AdaCore/gnatdoc"
+SRC_URI="https://github.com/AdaCore/${PN}/archive/refs/tags/v${PV}.tar.gz
+	-> ${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm64 ~x86"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	${ADA_REQUIRED_USE}"
+IUSE="doc static-libs static-pic"
+
+RDEPEND="${ADA_DEPS}
+	${PYTHON_DEPS}
+	>=dev-ada/gpr-26:=[${ADA_USEDEP},static-libs?,static-pic?]
+	>=dev-ada/markdown-26:=[${ADA_USEDEP}]
+	>=dev-ada/vss-text-26:=[${ADA_USEDEP},static-libs?,static-pic?]
+	dev-ada/vss-extra:=[${ADA_USEDEP},static-libs?,static-pic?]
+	>=dev-ada/libadalang-26:=[${ADA_USEDEP},static-libs?,static-pic?]
+	dev-ada/libadalang:=[${PYTHON_SINGLE_USEDEP}]
+"
+BDEPEND="dev-ada/gprbuild[${ADA_USEDEP}]"
+
+pkg_setup() {
+	python-single-r1_pkg_setup
+	ada_pkg_setup
+}
+
+src_compile() {
+	build() {
+		gprbuild -v -j$(makeopts_jobs) -p -P gnat/libgnatdoc.gpr \
+			-XLIBRARY_TYPE=$1 -cargs:Ada ${ADAFLAGS} -cargs:C ${CFLAGS} \
+			-largs ${LDFLAGS} || die
+	}
+	build relocatable
+	use static-libs && build static
+	use static-pic  && build static-pic
+	gprbuild -v -j$(makeopts_jobs) -p -P gnat/gnatdoc.gpr \
+		-XLIBRARY_TYPE=relocatable -cargs:Ada ${ADAFLAGS} -cargs:C ${CFLAGS} \
+		-largs ${LDFLAGS} || die
+	if use doc; then
+		emake -C documentation/users_guide html
+	fi
+}
+
+src_test() {
+	gprbuild -v -j$(makeopts_jobs) -p -P gnat/tests/test_drivers.gpr \
+		-XLIBRARY_TYPE=relocatable || die
+	PATH="${S}/bin:$PATH" \
+		${EPYTHON} testsuite/testsuite.py || die
+}
+
+src_install() {
+	build() {
+		gprinstall -v -p -P gnat/libgnatdoc.gpr \
+			-XLIBRARY_TYPE=$1 --prefix="${D}"/usr || die
+	}
+	build relocatable
+	use static-libs && build static
+	use static-pic  && build static-pic
+	gprinstall -v -p -P gnat/gnatdoc.gpr \
+		-XLIBRARY_TYPE=relocatable --prefix="${D}"/usr || die
+	use doc && HTML_DOCS=( documentation/users_guide/_build/html/* )
+	einstalldocs
+}