>From config.log:

configure:13475: will use system package and not install SPKG gmp
configure:13511: checking absolute name of <gmp.h>
configure:13517: checking for gmp.h
configure:13517: result: yes
configure:13538: result: ///usr/local/include/gmp.h

Try removing the installation in /usr/local

On Monday, January 15, 2024 at 1:59:28 PM UTC-8 Aurore Guillevic wrote:

> Dear Sagemath developers,, 
>
> I am trying to install sagemath from git. 
> I am following the instructions at 
> https://doc.sagemath.org/html/en/installation/source.html 
>
> First I did a tentative without anything special when configuring, but 
> there were errors building singular and eclib. Then I tried to force 
> sagemath to use the packages of the system (ubuntu) instead of installing 
> them again so I tried: 
>
> git clean -x -f -d # clean the previous tentative of installation 
>
> export MAKE="make -j4" # exploit the 4 processors 
> make configure 
> ./configure --help 
> ./configure --with-system-singular=yes --with-system-eclib=yes 
> --config-cache --enable-ccache 
>
> First there is this repeated warning: 
>
> [flint-3.0.1] ./src/ulong_extras.h:92:36: warning: implicit declaration of 
> function 'mpn_gcd_11'; did you mean 'mpn_gcd_1'? 
> [-Wimplicit-function-declaration] 
> [flint-3.0.1]    92 |         res = (x != 1 && y != 1) ? mpn_gcd_11(x, y) 
> : 1; 
>
> Then 
> [singular-4.3.2p8] Error installing package singular-4.3.2p8 
> The two log files are attached to this email. 
>
> I suspect the problem is some incompatibility of versions of packages? 
> (very common with a ubuntu LTS). Here are the installed packages: 
>
> apt list **eclib** **singular** 
> En train de lister... Fait 
> eclib-tools/jammy,now 20210625-1build1 amd64  [installé] 
> libsingular4-dev-common/jammy,jammy,now 1:4.2.1-p3+ds-1 all [installé, 
> automatique] 
> libsingular4-dev/jammy,now 1:4.2.1-p3+ds-1 amd64  [installé] 
> libsingular4m2n1/jammy,now 1:4.2.1-p3+ds-1 amd64  [installé, automatique] 
> singular-data/jammy,jammy,now 1:4.2.1-p3+ds-1 all  [installé, automatique] 
> singular-doc/jammy,jammy,now 1:4.2.1-p3+ds-1 all  [installé] 
> singular-modules/jammy,now 1:4.2.1-p3+ds-1 amd64  [installé, automatique] 
> singular-ui/jammy,now 1:4.2.1-p3+ds-1 amd64  [installé, automatique] 
> singular/jammy,now 1:4.2.1-p3+ds-1 amd64  [installé] 
>
>
> Many thanks for your help, 
>
> Aurore. 

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