cmake build issue on Fedora 38: Could NOT find PROJ (missing: PROJINC)

[neteler]

I have tried to compile the current driver version on my Fedora 38 box:

cmake .. -DAUTOLOAD_DIR=/usr/lib64/gdalplugin \
        -DGDAL_CONFIG_PREFER_PATH=/usr/bin/   -DGRASS_BIN_PREFER_PATH=$HOME/bin/
-- Found GDAL: /usr/lib64/libgdal.so (3.6.4)
-- Found GRASS_GISBASE: /home/mneteler/software/grass83/dist.x86_64-pc-linux-gnu (8.3.2dev)
-- Could NOT find PROJ (missing: PROJINC) 
-- Using /usr/lib64/gdalplugin as GDAL shared library autoload directory
-- Configuring done (0.5s)
-- Generating done (0.0s)
CMake Warning:
  Manually-specified variables were not used by the project:

    GDAL_CONFIG_PREFER_PATH

-- Build files have been written to: /home/mneteler/software/gdal-grass/build

Since I can successfully compile GRASS GIS on the same machine (start script in $HOME/bin/) I am a bit lost...

cd ~/software/gdal-grass
ag PROJINC
CMakeLists.txt
57:                     ${GRASS_INCLUDE} ${PROJINC})
66:                    ${GRASS_INCLUDE} ${PROJINC})

cmake/FindPROJ.cmake
10:set(PROJINC "")
12:get_grass_platform_var("${GRASS_GISBASE}/include/Make/Platform.make" "PROJINC"
13:                       PROJINC)
15:if(NOT "${PROJINC}" STREQUAL "")
16:  string(REGEX REPLACE "-I(.*)" "\\1" PROJINC "${PROJINC}")
20:find_package_handle_standard_args(PROJ REQUIRED_VARS PROJINC)

... seems to fail on my system.

Here my setup:

which grass 
~/bin/grass

grass --config
x86_64-pc-linux-gnu
./configure --with-cxx --enable-largefile --with-proj-share=/usr/share/proj --with-gdal=/usr/bin/gdal-config --with-geos --with-sqlite --with-nls --with-zstd --with-pdal --with-cairo --with-cairo-ldflags=-lfontconfig --with-freetype --with-freetype-includes=/usr/include/freetype2 --with-fftw --with-postgres --with-postgres-includes=/usr/include/pgsql --with-blas --with-blas-includes=/usr/include/atlas-x86_64-base/ --with-lapack --with-lapack-includes=/usr/include/atlas-x86_64-base/ --with-openmp --with-netcdf --without-bzlib --without-mysql --without-odbc CFLAGS=-g -Wall -Wstringop-truncation -Wshadow -Wlogical-op -Werror-implicit-function-declaration -fPIC -fno-common -fno-omit-frame-pointer -fexceptions -Wextra -Wunused -Wreturn-type -Wfatal-errors -march=native -std=gnu99 -fexceptions -fstack-protector -m64 -fdiagnostics-color LDFLAGS=-Wl,--no-undefined -Wl,-z,now CXXFLAGS=-g -Wall
gcc
/home/mneteler/software/grass83/dist.x86_64-pc-linux-gnu
/home/mneteler/software/grass83/dist.x86_64-pc-linux-gnu/etc/python
08018e34b2
8.3.2dev
2023-10-25T07:54:00+00:00

Ideas welcome :-)

[nilason]

The cmake code is looking at ${GRASS_GISBASE}/include/Make/Platform.make for the variable PROJINC. If this is not set there (Platform.make) this cmake code need to be improved to take that into account.

[neteler]

Checking on my Fedora box:

grep PROJINC include/Make/*
include/Make/Platform.make:PROJINC             = 
include/Make/Platform.make.in:PROJINC             = @PROJINC@

Still GRASS GIS compiles fine as the PROJ inc files are in standard directories:

rpm -qil proj-devel
Name        : proj-devel
Version     : 9.1.1
Release     : 1.fc38
Architecture: x86_64
Install Date: Sun 03 Dec 2023 05:43:31 PM CET
Group       : Unspecified
Size        : 542847
License     : MIT
Signature   : RSA/SHA256, Fri 02 Dec 2022 04:56:46 PM CET, Key ID 809a8d7ceb10b464
Source RPM  : proj-9.1.1-1.fc38.src.rpm
Build Date  : Fri 02 Dec 2022 04:36:46 PM CET
Build Host  : buildhw-x86-14.iad2.fedoraproject.org
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : https://proj.org
Bug URL     : https://bugz.fedoraproject.org/proj
Summary     : Development files for PROJ
Description :
This package contains libproj and the appropriate header files and man pages.
/usr/include/geodesic.h
/usr/include/proj
/usr/include/proj.h
/usr/include/proj/common.hpp
/usr/include/proj/coordinateoperation.hpp
/usr/include/proj/coordinatesystem.hpp
/usr/include/proj/crs.hpp
/usr/include/proj/datum.hpp
/usr/include/proj/io.hpp
/usr/include/proj/metadata.hpp
/usr/include/proj/nn.hpp
/usr/include/proj/util.hpp
/usr/include/proj_constants.h
/usr/include/proj_experimental.h
/usr/include/proj_symbol_rename.h
/usr/lib64/cmake/proj
/usr/lib64/cmake/proj/proj-config-version.cmake
/usr/lib64/cmake/proj/proj-config.cmake
/usr/lib64/cmake/proj/proj-targets-release.cmake
/usr/lib64/cmake/proj/proj-targets.cmake
/usr/lib64/cmake/proj/proj4-targets-release.cmake
/usr/lib64/cmake/proj/proj4-targets.cmake
/usr/lib64/cmake/proj4
/usr/lib64/cmake/proj4/proj-targets-release.cmake
/usr/lib64/cmake/proj4/proj-targets.cmake
/usr/lib64/cmake/proj4/proj4-config-version.cmake
/usr/lib64/cmake/proj4/proj4-config.cmake
/usr/lib64/cmake/proj4/proj4-targets-release.cmake
/usr/lib64/cmake/proj4/proj4-targets.cmake
/usr/lib64/libproj.so
/usr/lib64/pkgconfig/proj.pc

[nilason]

@neteler Please try out #42, it is supposed to work without any configure parameters.

cmake .. is all that should be needed. (Eventually with the exception of AUTOLOAD_DIR for testing).