#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND = -Wall
export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed

include /usr/share/dpkg/architecture.mk

%:
	dh $@ --buildsystem=cmake --builddirectory=build

override_dh_auto_configure:
	dh_auto_configure -- \
		-DCMAKE_BUILD_TYPE=Release \
		-DCMAKE_INSTALL_PREFIX=/usr \
		$(if $(filter-out $(DEB_BUILD_ARCH),$(DEB_HOST_ARCH)),-DCMAKE_TOOLCHAIN_FILE=$(CURDIR)/cmake/toolchain-$(DEB_HOST_GNU_TYPE).cmake)

# Cross-distro soname dependency compatibility:
# Debian/Deepin -> libjpeg62-turbo,  Ubuntu 24.04 -> libjpeg62   (same soname libjpeg.so.62)
# Debian/Deepin -> libpng16-16,      Ubuntu 24.04+ -> libpng16-16t64 (time64 transition, same soname libpng16.so.16)
override_dh_shlibdeps:
	dh_shlibdeps
	# Add OR-alternatives for libjpeg — Debian uses libjpeg62-turbo, Ubuntu uses libjpeg62
	sed -i 's/libjpeg62-turbo[^,]*/libjpeg62-turbo (>= 1.3.1) | libjpeg62/g' debian/*.substvars
	# Add OR-alternatives for libpng16 — Debian uses libpng16-16, Ubuntu 24.04+ uses libpng16-16t64
	sed -i 's/libpng16-16[^,]*/libpng16-16 (>= 1.6.2-1) | libpng16-16t64/g' debian/*.substvars
	# libxml2 soname is stable (libxml2.so.2) across Debian/Ubuntu — no substitution needed
